Merge branch 'release/0.3.13' into devel

* release/0.3.13:
  correct rspec
  Update Gemfile.lock accordingly
  bump to version '0.3.13'
Hotfix on rvm setup

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
bump to version '0.3.14'

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
Update Gemfile.lock accordingly

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
Merge branch 'release/0.3.14' into production

* release/0.3.14:
  Update Gemfile.lock accordingly
  bump to version '0.3.14'
  Hotfix on rvm setup