20141112 merge master
[.vim][todo.vim] add ``<`` ``>`` to indent a line
[.vim][todo.vim] set *.todo as ``rst`` and ``todo`` filetype
[todo.vim] add color for twitter and Mcdonald's, case sensitive
[todo.vim] add color for Line
[rst.vim] remove "Title" command, refine code
Merge branch 'todo.vim' into rst