[NEW_FEATURE] Add sort lines feature.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1149 f5eea248-9336-0410-98b8-ebc06183d4e3
[BUG_FIXED] (Author: tns) Fix tab close button's color remains hovered while mouse leaves.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1150 f5eea248-9336-0410-98b8-ebc06183d4e3
[BUG_FIXED] (Author: Andreas Jonsson) Fix bug in path auto-completion.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1151 f5eea248-9336-0410-98b8-ebc06183d4e3