update Gemfile.lock so we can test against multiple puppets
override lint task to properly ignore fixtures
call lint as per puppet-lint docs
ignore puppet files in vendorized puppet from bundle
add travis badge and update docs
drop puppet 3.0.x support and add 3.2/3.4
drop puppet 3.4.x support (unreleased)
cleanup travis config
Merge branch 'feature/travis-integration' into develop