Snowplow Objective-C Tracker v0.3.0

Adding OS-X support, a new user timings event and removing the AFNetworking dependency.

• Blog post

New features

• Added Mac OS X support, thanks @atdrendel and @duncan! (#104)
• Added new initializer with POST as default method, thanks @jonalmeida! (#69)
• Added timings event (#89)

Under the hood

• Reverted from AFnetworking to standard NSURLSession, thanks @atdrendel and @duncan! (#88)
• Renamed SnowplowRequest to SnowplowEmitter, thanks @jonalmeida! (#70)
• Renamed from snowplow-ios-tracker to snowplow-objc-tracker (#103)

Testing

• Updated Travis to use the most up-to-date simulator (#90)
• Updated Podfile and re-installed to fix Travis (#93)
• Updated getResolution test to allow 750x1334 for Retina iPhone (#92)

Documentation and build

• Cleaned up SnowplowTracker.podspec (#99)
• Added License button to README (#109)