Updated README with the correct PUPPETFILE_GIT_URL variable name
Updated Puppetfile search & replace regex to support non matching git repositories name with puppet modules name
updated fixtures/Puppetfile with non matching module & repositoty names
Added a 2nd test for puppetfile ref update (non matching module & repositoty names use case)
Merge pull request #10 from gregsaram/puppetfile_regex

Puppetfile search & replace