Issue #42: Add livecd-tools 20.6 source

We will now track the source in our repo to eliminate keeping patch
files
Issue #42: Patch spec file

-Fix issue where docs weren't properly pulled in when building the rpm
-Remove hfsplus tools requirement
Issue #42: Apply patches to new livecd source
Issue #42: patch kickstart.py to use correct livecd arg

live_ram has been deprecated
Issue #42: Fix clip-dracut module to parse boot args correctly

With the new version of livecd-tools, the live image boot arg is now
called rd.live.img
Issue #42: Finalize bootstrap and Makefile changes for LiveCD updates

-Add dependencies to bootstrap needed for LiveCD
-Bump version of livecd-tools to install in bootstrap
-Update LIVECD_ARGS variable in Makefile