Move Syndication to root/src

Commit migrated from https://github.com/dotnet/corefx/commit/c7b485f7867f60055cba7c1d395581711f0a7077

Fix ServiceModel.SyndicationFeed project dependencies
- Change M.SM.SyndicationFeed to be a .NET Standard 2.0 library
- Change tests to use official .NET Core 2.0 release from preview

Commit migrated from https://github.com/dotnet/corefx/commit/594afa6f4da13616e226c3e02399603314528962

Fixed bug from ServiceModel.Syndication

Commit migrated from https://github.com/dotnet/corefx/commit/1752cc96248342a7c48a66e58d676a62c8463e10

Removed unnecesary variables from Wrappers.

Commit migrated from https://github.com/dotnet/corefx/commit/755906be453bea41ec92e8535a2b4ade8a4584d2

Edited XmlReaderWrapper, moved methods to extension methods.

Commit migrated from https://github.com/dotnet/corefx/commit/2f16e8880d6b7c850fb2b847a0cb90a9448a9ef7

Fixed sync method exposed GetReader.

Commit migrated from https://github.com/dotnet/corefx/commit/8df46f7ada8c51108d15705780fc257ee732b407

Changed ReadCategoryFromAsync to return a SyndicationCategory

Commit migrated from https://github.com/dotnet/corefx/commit/813cd550b20013af499b78ad327dea4a88a97f6c

Add XmlWriterWrapper method extensions

Commit migrated from https://github.com/dotnet/corefx/commit/7cd87fc6777d2eff93ccf9c127dd3242119cf122

Added async extension methods for XmlReader

Commit migrated from https://github.com/dotnet/corefx/commit/14c5c59ee57de401dd9c773f0531e078af93901f

Fixed warnings on some unawaited methods.

Commit migrated from https://github.com/dotnet/corefx/commit/68e73ff6808338b7107c1b385e0487b20b74de50

Fixing code review

Commit migrated from https://github.com/dotnet/corefx/commit/12175b653a5833da9ad56100256ad8bc5d26289f

Add wrong dates example

Commit migrated from https://github.com/dotnet/corefx/commit/3557125354689d39611f2636fa6f404b9877a327

Improved flexibility for Default dateparser

Commit migrated from https://github.com/dotnet/corefx/commit/0ed721cbbbe998390868493f6016d097ea757047

Added check for skip days to allow only accepted days.

Commit migrated from https://github.com/dotnet/corefx/commit/3f9cc1de75406a86d548b7c5e54329533a7ee07d

Fixing code for PR

Commit migrated from https://github.com/dotnet/corefx/commit/ed909e0e23106c7609ed74a64e8032671287c860

Fixing code for PR

Commit migrated from https://github.com/dotnet/corefx/commit/362f4835d85f3d333cc9a8de2d59129958c498f6

Adding Extension Methods for XmlReader

Commit migrated from https://github.com/dotnet/corefx/commit/3795edabc99a09171b7ab5a455de55e81f7f5526

added nameof() to all exceptions when needed.

Commit migrated from https://github.com/dotnet/corefx/commit/c4abc363fe278be641805b4490a87c988c7b3399

Added custom parsing for Atom feed formatter, added test

Commit migrated from https://github.com/dotnet/corefx/commit/9e0f815a751c78136a294c842ac30558afd7844a

Improved custom parsing for RSS

Commit migrated from https://github.com/dotnet/corefx/commit/7a992b18215469e4153453944cfea07ac6c2a934

Fixed some warnings

Commit migrated from https://github.com/dotnet/corefx/commit/71d89934dc8b45b0855b7556b42f6e0d55b0efe3

Added Icon writing on Arom Writer

Commit migrated from https://github.com/dotnet/corefx/commit/ddc0a71a9da429151e927670b1f7dbef14600f84

Merge branch async into lab

Commit migrated from https://github.com/dotnet/corefx/commit/7756539a4775369bb9e3bc8dffb49517c5ad02ab

Adding Async Writing
RssFormater writes new optional spec elements

Commit migrated from https://github.com/dotnet/corefx/commit/e9344e6927de59daf95c373ef65412f1e08489ad

Added Icon parsing to Atom10 feedFormatter. Added unit test

Commit migrated from https://github.com/dotnet/corefx/commit/c7e2224712ea466784b7ad1282a9d326fb2ea40e

Adding parsing to optional elements int the spec
added unittesting

Commit migrated from https://github.com/dotnet/corefx/commit/0b75b8613444d79133807fe649914474866b0204

Run codeFormatter

Commit migrated from https://github.com/dotnet/corefx/commit/a8a8dfe4eba6c0db936dd385badcf712462e3a48

Fixed disjoint items in atom

Commit migrated from https://github.com/dotnet/corefx/commit/0f514e53073abe8c1370bec313a079d93557715e

Fixed image and items issue

Commit migrated from https://github.com/dotnet/corefx/commit/52a29fd42276c1ac86cff0345c0c71ac2b8fb3a7

Save changes

Commit migrated from https://github.com/dotnet/corefx/commit/28b6ef63a6e81c9f23deb76c6b171e981d5897cc

saving changes

Commit migrated from https://github.com/dotnet/corefx/commit/77738fd57b3310327affdadc5679e166b3dac244

Initial Jorge

Commit migrated from https://github.com/dotnet/corefx/commit/5dacea0b6c262e90e952ba298a57c2c6467fbd86

Save changes with Jorge cass

Commit migrated from https://github.com/dotnet/corefx/commit/21f972ffd713cd48b407492a40602c465e57bec3

Test clase jorge

Commit migrated from https://github.com/dotnet/corefx/commit/b4d2d1b5cdfe4f9e8d2046638d2d6b3c74040fbc

Fixed image issue where image tag was using original title and url, for RSS formatting
Image issue fixed and added some tests

Commit migrated from https://github.com/dotnet/corefx/commit/25309a265bacfed92effe57a13c6bfd1f9c46986

Merge branch 'CustomParser' into InitialSyndicationFeed
Added custom parsing for RSS formats.
Cleaned the code.
Executed CodeFormatter tool.
Added test for custom parsing.

Commit migrated from https://github.com/dotnet/corefx/commit/ae107387f98c18a129d67df42f79970af91e8ec0

Test using custom parsers

Commit migrated from https://github.com/dotnet/corefx/commit/681f0fbda210cf490c6c566597b4590389d949f2

Moved the call of itemParser to be called with each item

Commit migrated from https://github.com/dotnet/corefx/commit/ab8c7ae4e3c5ba09670cc2df6071c746027951b4

Formatted the code with CodeFormatter Tool

Commit migrated from https://github.com/dotnet/corefx/commit/8d9968fa7cbfc742796b502017f88a07c9855c4c

Cleaned code from most of the unnecesary comments

Commit migrated from https://github.com/dotnet/corefx/commit/709a1ab1907af42c88c0401f64dee91949583386

Cleaned the code, deleted Diagnostics, fixed throwing resources

Commit migrated from https://github.com/dotnet/corefx/commit/c7be03081e5c800534b06e8bcaf88f0bf7fb3d26

Removed the dependence of the old SR class

Commit migrated from https://github.com/dotnet/corefx/commit/6f2b69bf7acd6f6696b3d27fba5c13661e97b391

Initial SyndicationFeed

Commit migrated from https://github.com/dotnet/corefx/commit/898bff5889139c557dba8c0c8a6bcc75fea39c3f

Save changes

Commit migrated from https://github.com/dotnet/corefx/commit/7ece44939982c21a7346ccf47ce8ab85718c5b6c

Added custom parser delegates

Commit migrated from https://github.com/dotnet/corefx/commit/01e52b96474a932d200923319fa8b02cd96dfe66

Added more delegates as parsers

Commit migrated from https://github.com/dotnet/corefx/commit/adcb15ba0fd04e096bce9350c894e8e506c01348

Initial changes to add custom parsers

Commit migrated from https://github.com/dotnet/corefx/commit/91a06a43cd7710adfea5c0b43db84af2730feff3

Added correct testnames and Copyright

Commit migrated from https://github.com/dotnet/corefx/commit/62f2980090d5aca36b9e5bc27adc27112051a679

Added the posibility that the user creates his own date parser when reading a feed from outside, also as part of our default date parser, if it can't parse the date it will just assign a default date to avoid the crash

Commit migrated from https://github.com/dotnet/corefx/commit/37bf505927c3aad98e24872bc12dc3cebd6b5510

Deleted some unused files

Commit migrated from https://github.com/dotnet/corefx/commit/9f6c78e5c2a3937a08e40ca154e3628458a903e8

Cleaning code for PR

Commit migrated from https://github.com/dotnet/corefx/commit/0594affe5dd1de97a879f5bc5eaaa2fc0e814470

Fixed errors when reading feeds and replaced some buffers

Commit migrated from https://github.com/dotnet/corefx/commit/398649d0317fadc6c7c59c476954c27fb91b6af7

Changed some namespaces

Commit migrated from https://github.com/dotnet/corefx/commit/aa05946d8ff8640f31d5f762d52ccd05a7fe76e3

Added the needed references to get the code to compile

Commit migrated from https://github.com/dotnet/corefx/commit/9c278a1dcb45f7039af2794795e2c2339c1d0842

Adding the existing classes of SyndicationFeed from .net fx

Commit migrated from https://github.com/dotnet/corefx/commit/1d9f27f5641d55badeaeffa20a730fb3f9e7dd74

Microsoft.ServiceModel.Syndication skeleton project

Commit migrated from https://github.com/dotnet/corefx/commit/e48777c5e64b749cb85cd23270f58ec29ac6a41c