Updated INSTALL.md
Added a numch of small changes so build-centos doesn't fail after
running build_rpms, and vice versa. Made compiling rpm with nodeps
easier
Disabled tests in rpm build for now...
Auto parse lfs/lfs.go to get Version number and update SPEC automatically
Fixed git not getting installed if not already installed on CentOS 5
Made rpm build script work from any directory
Fixed some indentation