Deprecate Puppet 2.7

- Deprecate Puppet 2.7
- Add Puppet 3.1 and 3.2

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>
[travis] Fix duplicate versions and add 3.5 release
[readme] Fix syntaxe and typos
[readme] Add a note about puppet3
[spec] Fix lint issue (case statement without a default case)
[spec] Fix lint issue (ensure found on line but it's not the first attribute)
Update module file and release notes for 1.1.0
[forge] Add utility for Puppet forge
Fix module name according forge username
[spec] Fix syntax error under ruby 1.8
Merge pull request #390 from enovance/deprecate-puppet27

Deprecate Puppet 2.7