Add a strip option to the Makefile
Remove some \n's that aren't needed
Add the option to have a BUILD_STR included in the --help

Compile with make BUILD_STR=abc123 to add an (optional) build string
Merge branch 'master' of github.com:scottchiefbaker/ags

Conflicts:
	Engine/Makefile-defs.linux
	Engine/main/main.cpp