add observeAllEventsWithObserver
Merge branch 'master' of github.com:soomla/soomla-ios-core
Merge branch 'master' of github.com:soomla/soomla-ios-core
Merge branch 'master' of github.com:soomla/soomla-ios-core
Revert "Update README.md"

This reverts commit 3089783e449cfa8da21bdf38383e0a103961f66f.