updated configure.in to support --with-git for build from source
Updates to man pages reflecting Git support
Started outline for README.git, added to Makefile.am
fixed configure.in to also check for git
Proposed fix for https://github.com/dotwaffle/rancid-git/issues/4
Updated CVS to check for differences before trying to generate HTML mail
Merge pull request #8 from darrelclute/master

Documentation Updates and Issue Fix.