Fixed git clean to only be in build_rpms for centos path
Added tests for all distros
Added some options like GPG cache, and auto remove
Fixed rpm expect script to work always
Enabled gpg check for centos repos
Fixed golang build bug for CentOS 5
Added ./docker/test_dockers.bsh in order to test if the repo files
are working.
Got REPO_HOSTNAME env variable working for centos and debian
Standardized the archive filename for git-lfs.spec
