bumped gwtp up to latest snapshot and used the default GWTP entry point in the samples
Merge remote-tracking branch 'upstream/master' into default_entrypoint

Conflicts:
	gwtp-samples/gwtp-sample-basic/src/main/java/com/gwtplatform/samples/basic/client/gin/BootstrapperImpl.java
Merge pull request #16 from codecrafters/default_entrypoint

Use GWTP default entry point in samples