Removing Gemfile.lock files since they are out of date

Removing Gemfile.lock files since they are out of date and not being used.
Allowing for local gem groups

Allowing developers to use local gems without having to affect everyone else.
879094 - CVE-2012-5561 - fix permissions on /etc/katello/secure
renaming katello_shared -> katello-shared
879094 - a few updates to katello & katello-selinux spec based on comments
Moving tomcat group add to katello-shared to %post
Merge pull request #1349 from jsomara/879094

879094 - CVE-2012-5561 - fix permissions on /etc/katello/secure
879094 - fixing %post error in spec
Merge pull request #1354 from jsomara/nopost

879094 - fixing %post error in spec
Merge pull request #1343 from daviddavis/rm_gemfiles

Removing Gemfile.lock files since they are out dated and not being used
Merge pull request #1347 from daviddavis/0

Allowing for local gem groups