Added a configuration method to set the request timeout.
Added tests for the RequestBuilderFactory
Merge branch 'cv_rest_unsecure_resources' of github.com:ArcBees/GWTP into cv_rest_custom_timeout

Conflicts:
	gwtp-core/gwtp-dispatch-rest/src/main/java/com/gwtplatform/dispatch/rest/client/DefaultRestRequestBuilderFactory.java
	gwtp-core/gwtp-dispatch-rest/src/main/java/com/gwtplatform/dispatch/rest/client/gin/RestDispatchAsyncModule.java
CommonGinModule clarifications
Checkstyle
Added spec. version to the compound jar's manifest.
Code style
Rename 2/2
Checkstyle
Merge pull request #424 from ArcBees/cv_rest_custom_timeout

Custom request timeout configuration