add AssureNoteParser Document. ref #167
change search-focused to PictgramPanel#ChangeFocusedLabel. close #207
Discard latest GSNDoc if there is no change. close #209.
Added test failed. ref #210.
Merge branch 'master' into collaboration
Fix ParserContext.IsValidSection. close #210.
add compiled document.
add yuidoc to Makefile. close #196
Merge branch 'master' into collaboration
enable clients to share the folding inforamtion. ref#193