Merge pull request #8 from bbaloo/master

working version of users tracking but without on screen orientation chan...
Merge pull request #9 from bbaloo/master

on screen orientation change support for users tracking
- add  image event
Merge branch 'master' of https://github.com/yoman07/PhotoShoter
Update README.md
- add  image event
Merge branch 'master' of https://github.com/yoman07/PhotoShoter
fix app crash