remove internal gem server
relax lookup_by version pin
Don't create executables when installed as a gem

bin/rails conflicts with railties

bin/rails -> script/rails
bin/redb -> script/redb

Update docs to reflect new location of redb command.
get rid of cucumber-rails warning
Merge pull request #2 from companygardener/fixes

Fixes
Created TemplateRevision Model, linked up template with template_revisions
Template Revisions
Creating Audits, configuration serializer
Adding Travis config
Switch to script directory
Changing to after_install
Adding Postgres role
Adding Postgres role to before_install
Adding Postgres DB to before_install
Changing Postgres DB to DATABASE
Changing Postgres commands to separate
Moving rspec and cucumber around
Moving rspec and cucumber around
:space_invader:
Merge pull request #4 from enova/feature/add_travis_config

FEATURE: Adding Travis CI support