Allow for fractional seconds in iso8601 time parsing

Because jbuilder in Rails outputs it.
Merge pull request #332 from killion/master

Allow for fractional seconds in iso8601 time parsing
Update readme with 1.4.0, fixes #333
Initial pass at BW::UIActivityViewController
Patch the Constants class

...so that it doesn't try and bitwise an array of String objects. With passing test.
Update excluded activity types to use better BW::Constants method.
Added method to check if device has a physical camera.
Renamed method physical_camera to available in camera_wrapper.
Merge pull request #336 from michaelkoper/physical-camera-features

Added method to check if device has a physical camera.
Do not show warnings about iOS when building for OSX
Merge pull request #338 from y8/patch-1

Do not show warnings about iOS when building for OSX
Fix new constants spec.
Merge branch 'refs/heads/master' into uiactivityviewcontroller

* refs/heads/master:
  Do not show warnings about iOS when building for OSX
  Renamed method physical_camera to available in camera_wrapper.
  Added method to check if device has a physical camera.
Correct bubble-wrap/media dependencies. fixes #339
Add when_screen_edge_panned for UIScreenEdgePanGestureRecognizer
Merge pull request #342 from bensie/when_screen_edge_panned

Add when_screen_edge_panned for UIScreenEdgePanGestureRecognizer
Remove Motion::Project::Config patch

This was merged: https://github.com/HipByte/RubyMotion/pull/82
Merge branch 'master' of https://github.com/rubymotion/BubbleWrap
Add more support for #weak!. Fixes #344
1.5.0.rc1