Conditional preprocessor directive removing IDFA code at publisher's discretion
Minor cleanup
SZ-22: Final cleanup
SZ-22: final updates per code review, along with updated docs and tests
Merge pull request #53 from socialize/feature/SZ-22

SZ-22: logic to selectively remove IDFA from Socialize SDK

Reviewed per Isaac
Fixed Loopy integration tests
Updated version files
Updated podspec version
Initial commit: skeletal WhatsApp integration
Incremental commit: initial UI logic for WhatsApp sharing
Incremental commit: mostly complete WhatsApp functionality and beginnings of documentation
Final impl of WhatsApp sharing, including docs
Merge branch 'origin/feature/whatsapp-integ'