Use boolean instead of string

Change-Id: Ie508c5f6a98277b650307a1782ce3fde9d2bca1e
Capitalize boolean values in config files

This patch allows the usage of Puppet boolean values and still
configure values with OpenStack boolean style: True/False.

Change-Id: I1f96bf979e67fd7fb8fd1d984809fd072783224c
Add puppet-lint to Gemfile

Change-Id: I072923b34d22c10f55e126e04eee5fcd48182b39
Merge "Capitalize boolean values in config files"
Merge "Use boolean instead of string"
Add missing glance::params include in client

Change-Id: Ia5f99939f10a78033b743aca4a289b1e8d314e02
Prepare repository for a Puppet Forge release

  Commit updates README.md with a more consistent template for documentation,
  removes travis.yml since we're on stackfoge now, updates the Modulefile
  for the new release, deletes TODO list, CHANGELOGs deleted in favor of
  summarized release notes in README.md, which will show up on Forge,
  and moves examples to tests to adhere with Puppet Labs Style
  Guide(http://docs.puppetlabs.com/guides/style_guide.html#tests)

Change-Id: Iffa30f6f35b996305f635317fc0770f908e9057e
Merge branch 'dev' of https://github.com/gwdg/puppetlabs-glance into dev