[NEW_FEATURE] Smart Indent (in progress).

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1290 f5eea248-9336-0410-98b8-ebc06183d4e3
[NEW_FEATURE] Smart Indent (in progress).

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1291 f5eea248-9336-0410-98b8-ebc06183d4e3