'make patch' applies any patch file in the uncommitted-patches
directory, if it exists. These files should be as produced by git
format-patch. 'make unpatch' correspondingly undos what 'make patch'
did. None of this is done using git, that is the very point.

Change-Id: I348d96be54bc8e544e833206c922cb4bdcbabc4c

Conflicts:
	Makefile.in