Merge pull request #37 from ptommassen/develop

Fixes not being able to navigate in modal dialogs for iOS 8
Document added + fixed bug
Merge branch 'release/I_0.0.2.18_PRERELEASE'
[maven-release-plugin] prepare release mobbl-core-framework-0.0.2.18
[maven-release-plugin] prepare for next development iteration
Update README.md