already defined in parent
reuse the UPS model
use new smaller model dependency of  1.1.0-alpha1
Merge branch 'shared-model' of https://github.com/edewit/aerogear-unifiedpush-java-client into shared-model

Conflicts:
	pom.xml
	src/main/java/org/jboss/aerogear/unifiedpush/DefaultPushSender.java