Support webhooks for JIRA via Connect integrations
This allows JIRA via Connect integrations to also create issues in Aha! even though the built in webhook doesn't create new issues.
Improved webhook documentation.
Fixed more Faraday problems.
Constrain the version of simple oauth.
This is to make it compatible with faraday_middleware oauth. https://github.com/lostisland/faraday_middleware/commit/66273b17521c8d7f6671229a188fc5ee85900084
Only send interesting audits
Bumped version number.
Include logo in slack messages
Initial version of Microsoft Team Foundation Server service

Add new service, has configure options for basic authentication against
the Visual Studio Online API.
Add workitem resource
Split ruby version and gemset into two files

This changes makes the ruby version file compatible with rbenv
Add posibility to create features
Add possibility to sync requirements and taks
Swap project selection and mapping selection
Do not try to sync tasks or requirements if there are none
Move API version to constant
Add documentation
Upgrade to API version 1.0-preview.2

Use the API version 1.0-preview.2
This simplifies a lot of things
Finally creating integration fields
Move the default header to the default_http_options method
Add support for receiving updates from webhooks