Update .gitignore to exclude IntelliJ and RVM config files
Added support for mq-tls-key and mq-tls-cert for client verification
Merge pull request #43 from ms-ati/gitignore-idea-and-rvm-files

Update .gitignore to exclude RubyMine/IntelliJ and RVM config files
Merge pull request #44 from trmnl/master

Added mq-tls-key and mq-tls-cert configuration options
Bump version to v0.5.0
Raise an exception when publishing fails
Include unpublished message in exceptions
Merge pull request #45 from gocardless/error-on-publish-failure

Raise an exception when publishing fails
Bump version to v0.5.1
Travis config
Add travis badge to README
Add Gemnasium badge