NXP-10566: rely on jboss-el and nuxeo-platform-el to provide a better test mock faces context that resolves expressions and variables
NXP-10566: cleanup deps to el-ri, and adapt tests to benefit from MockFacesContext improvements
NXP-10566: better javadoc on mock classes
NXP-10566: add back DummyFilter, copied from actions-core, used in tests
NXP-10566: adapt test to benefit from improvements on MockFacesContext
NXP-10566: remove unneeded and deprecated reference to el-ri