Added readme.

diff --cc README
index e69de29,0000000..e3def50
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--- /dev/null
+++ b/README
@@@ -1,0 -1,0 +1,58 @@@
++
++To produce a PDF manual, issue the command "make pdf" after running
++`./configure'.
++
++                               -*-
++
++If you do not wish to build the C++ components, use:
++
++./configure --disable-cxx
++
++                               -*-
++
++The `examples' subdirectory contains some examples of using libconfig
++from C and C++.
++
++                               -*-
++
++The config file syntax changed between versions 0.8 and 0.9. In order
++to implement all of the feature/enhancement requests in an elegant and
++self-consistent way, the configuration grammar had to be changed in a
++non-backward-compatible way. In particular, groups are now values, so
++the old syntax:
++
++group
++{
++  ...
++}
++
++must now be written as:
++
++group =
++{
++  ...
++};
++
++Note that the trailing semicolon, which was previously optional, is
++now required. Also note that a colon (':') can be used in place of the
++equals sign.
++
++                               -*-
++
++Flex and Bison are not required in order to build this
++package. However, if you modify the .l or .y files, you must have Flex
++(2.5.31 or better) and Bison (2.1 or better), respectively.
++
++                               -*-
++
++To successfully compile using MinGW (with gcc 4.4.0 or later), it may
++be necessary to modify the file "mingw32\4.4.0\libstdc++.la", changing line 11
++from:
++
++library_names='libstdc++.dll.a'
++
++to:
++
++library_names='libstdc++.a'
++
++(See http://trac.osgeo.org/geos/ticket/282 for more information).