vim-patch:7.4.392

Problem:    Not easy to detect type of command line window.
Solution:   Add the getcmdwintype() function. (Jacob Niehus)

https://code.google.com/p/vim/source/detail?r=v7-4-392
Update version.c to Vim 7.4.444
Merge pull request #1204 from Shougo/version-7.4.444

Update version.c to Vim 7.4.444
Merge pull request #1197 from Shougo/vim-patch-7.4.392

vim-patch:7.4.392
vim-patch:7.4.320

Problem:    Possible crash when an BufLeave autocommand deletes the buffer.
Solution:   Check for the window pointer being valid.  Postpone freeing the
            window until autocommands are done. (Yasuhiro Matsumoto)

https://code.google.com/p/vim/source/detail?r=v7-4-320