ERRAI-824: Upgrade jboss.spec.jboss.javaee.6.0 to 3.0.3.Final
remove code dup in getErraiAppProperties()
Implemented ERRAI-826: Navigation container injectable as a @DataField
ERRAI-825: Fixes and improved docs for Keycloak 1.0.4.Final
Fixed link in README
Three private methods (makeSpecialized, updateQualifiersAndName and methodSignatureMatches) was completely equal in ProducerInjector and AsyncProducerInjector classes.
I tried to put these method to their common ancestor, but code becomes uglier than it was, so I moved them to separate class.

Rename ProducerInjector to SyncProducerInjector