Add text to png images for splash screen
apply splash config
remove unused files
update xcode proj. settings
Merge branch 'same.splash.screen.than.android'
Add some instructions on the main page
Included matzew's feedback
Merge branch 'master' of https://github.com/aerogear/aerogear-push-helloworld
Finish registration activity when registration fail
[Android]: Add information about sending push notification
[Android]: Add information about register app to receive notifications
[Android]: Add information about configs to receive notifications