Some inter-app communication documentation updates
Navigation
More specific
objc
Remove subject-to-change bundle ID
Clarification
Merge branch '8.0-inter-app-communication-documentation' of github.com:tumblr/TMTumblrSDK into 8.0-inter-app-communication-documentation
Merge pull request #70 from tumblr/8.0-inter-app-communication-documentation

8.0 inter app communication documentation