- Fixed an issue when successively allocating several interstitials and where the Appsfire SDK would not properly forward events to MoPub.

- Improved MoPub demo project.
- Updated MoPub README.
Added a .gitignore and removed some xcode preference files.
- Improved demo project.

- Removed LICENSE blocs from source files.
- Added a note in README.
Removed some test API Keys from demo projects.
Merge branch 'master' of https://github.com/appsfire/Appsfire-mediation