Update change log and spec for wrt-plugins-tizen_0.4.9

Update change log and spec for wrt-plugins-tizen_0.4.9

[Issue#] N/A
[Problem] [Common] Refactoring CMakeLists.txt files
[Cause] N/A
[Solution]  * Did refactoring package dependancies between modules and impls
 * Removed dependancies to unused modules
 * Fixed bugs on cmake scripts
   * PKG_SEARCH_MODULE -> PKG_CHECK_MODULES
 * Realigned CMakeLists.txt

[Issue#] crashed application when content change listener is registered.
[Problem] memory overwrite
[Cause] unavailable variable used
[Solution] remove the unavailable varibable

[Issue#] N/A
[Problem] Several functions in Converter class don't work properly.
[Solution] Switched functions of Converter class to static functions of JSUtil.
[SCMRequest] N/A

[Issue#] N/A
[Problem] [Common] StandaloneConsole fix prevent issue
[Cause] N/A
[Solution] N/A

[Issue#] N/A
[Problem] [Contact] update precondition contact application due to changing platform policy
[Cause] N/A
[Solution] N/A

[Issue#] #DCM-951
[Problem] Information obtained is different on help information if API [tizen.time.getTimeFormat] is call called.
[Cause] If region is Japanese, apK:m:s is returned. 'K' is not defined in API reference.
[Solution] 'K' will be changed to 'h'

[Issue#] N/A
[Problem] Cannot find a parent calendar event of a recurring instances when using start/end date range filter.
[Cause] Platform filter does not support such an operation.
[Solution] Use multiple filters for a recurring event search and merge the results.

[Issue#] #DCM-976
[Problem] UTC time is unacquirable using Web Device API [tizen.time.toUTC]
[Cause] When calling toUTC() or toLocaltimezone() twice or more, timezone is changed but another value isn't changed. It is ICU issue.
[Solution] Changed the code to make new TZDate with getTime() value and timezone.

[Issue#] N/A
[Problem] Not enough TCs for smack rule extraction.
[Cause] Skipped some functions.
[Solution] Cover all functions for each privilege.

[Issue#] TDIS-4674
[Problem] logoURI is missing
[Cause] internal bug
[Solution] modify code

[Issue#] N/A
[Problem] Notification UnitTC Coverage is poor
[Cause] N/A
[Solution] enhance coverage & appended TC

[SCMRequest] N/A