upgraded development gems
working on release 0.3
updated forge API address
using rspec-puppet from git, disable lints because ignore paths are broken
refactored code in order to support multiple operating systems
linting
do not install cron scripts on new distros (with ZooKeeper 3.4)
allow installing multiple packages of ZooKeeper
testing cycles in puppet code
added badge
updated travis config. testing up to puppet 3.7 and ruby 2.1