Add optimizely dependency
Add optimizely setup
Fix optimizely subspec
Fix file names
Add optimizely to integrations file
Add -track for optimizely
Merge branch 'add/opptimizely'

* add/opptimizely:
  Add -track for optimizely
  Add optimizely to integrations file
  Fix file names
  Fix optimizely subspec
  Add optimizely setup
  Add optimizely dependency

Conflicts:
	Analytics.podspec
	Analytics.xcodeproj/project.pbxproj