Fixed ERRAI-820: NPE in the presence of multiple generic client-side exception mappers
small refactoring

1) put 3 times repeated loop in one place
2) delete redundant notnull check
3) add check for whitespace value
perf. improvement: only construct fqcn once per instance
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
Fixed JDK 8 compatibility issue regarding inferred generic types
Fixed JDK 8 compatibility issue regarding JavaDoc DocLint
Upgrade to GWT 2.7.0
Don't fail when javadoc can't be generated for errai-reflections
minor cleanup: javadoc formatting and suppress warnings
GWT 2.7 workaround for unwanted public fields in java.lang.Object
Upgrade to asm 5.0.3
Fixed bus backoff tests in GWT 2.7
Upgrade to jboss-integration-platform 6.0.0.CR17
Support latest source version in module anno processor
Upgraded errai-uibinder to GWT 2.7
Fixed keycloak integration tests for 1.0.4.Final