Merge branch 'vim'

updated for version 7.4.648

Problem:    Tests broken on MS-Windows.
Solution:   Delete wrong copy line. (Ken Takata)

updated for version 7.4.647

Problem:    After running the tests on MS-Windows many files differ from their
	    originals as they were checked out.
Solution:   Use a temp directory for executing the tests. (Ken Takata, Taro
	    Muraoka)

updated for version 7.4.646

Problem:    ":bufdo" may start at a deleted buffer.
Solution:   Find the first not deleted buffer. (Shane Harper)

updated for version 7.4.645

Problem:    When splitting the window in a BufAdd autocommand while still in
	    the first, empty buffer the window count is wrong.
Solution:   Do not reset b_nwindows to zero and don't increment it.

updated for version 7.4.644

Problem:    Stratus VOS doesn't have sync().
Solution:   Use fflush(). (Karli Aurelia)

updated for version 7.4.643

Problem:    Using the default file format for Mac files. (Issue 77)
Solution:   Reset the try_mac counter in the right place. (Oswald)

updated for version 7.4.642

Problem:    When using "gf" escaped spaces are not handled.
Solution:   Recognize escaped spaces.

updated for version 7.4.641

Problem:    The tabline menu was using ":999tabnew" which is now invalid.
Solution:   Use ":$tabnew" instead. (Florian Degner)

Merge branch 'vim'