[ENHENCEMENT] Block comment work with line characters more than 1024.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1048 f5eea248-9336-0410-98b8-ebc06183d4e3
[ENHANCEMENT] Better flash window while search not found.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1049 f5eea248-9336-0410-98b8-ebc06183d4e3