[NEW] Add Jsoncpp component.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1248 f5eea248-9336-0410-98b8-ebc06183d4e3
[BUG_FIXED] Fix "Settings on cloud - Dropbox" not working problem if the dropbox path has been changed.
[RELEASE] Notepad++ v6.6.6

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1249 f5eea248-9336-0410-98b8-ebc06183d4e3