Merge pull request #6 from collections/master

Fixing compilation error. Compatibility with OS X in addition to iOS
removing compilation warnings. fixes #2
adding cocoapods podspec file
bumping history and adding a history file
updating docs
removing const declaration to remove compilation warnings
add enqueueAction to DRY things up, thanks for the suggestion @gwintrob
revealing flush options
commenting out debug
updating link to docs
updating description
adding osx mention
prettification
fixing podspec and improving timestamp accuracy
adding max batch size
Merge branch 'master' of github.com:segmentio/analytics-ios
bumping history
Fixing podspec to use git url. Using self instead of hard-coded class in initializer
Merge pull request #11 from collections/master

Fixing podspec to use git url. Using self instead of hard-coded class in initializer
updating spec and adding license file to prep push to cocoapods