[fix #58] OutputBoolean false label is "true"
[fix #57] ModelCreator the generated model doesn't access to is...() methods
[fix] Sample apps
[release] 1.0.0 Release
[sample] Use of released Version
[build] set version to next snapshot
[fix #59] ModelCreator newInstance() method throws an exception for the abstract classes.
Merge branch 'master' into 1.1.x

Conflicts:
	build.gradle
	core/src/main/java/fr/putnami/pwt/core/model/rebind/ModelCreator.java
	core/src/main/java/fr/putnami/pwt/core/widget/client/OutputBoolean.java
Merge branch 'master' into 1.1.x

Conflicts:
	build.gradle
	core/src/main/java/fr/putnami/pwt/core/model/rebind/ModelCreator.java
	core/src/main/java/fr/putnami/pwt/core/widget/client/OutputBoolean.java