Merge branch 'release/20' into develop
Added ability to view source in the built in web view controller
Cleaning up ownership qualifiers for outlets throughout the app
patched pasteboard observer not inspecting the right window to see if  issue is already presented
trying out travis
telling travis which branches to build
Replaced session details presenter interface with an abstract class
even more reactive pinch gestures
Added missing constraints for the issue details table views
removed Travis support
version++
Merge branch 'release/21'