Fixed ERRAI-754: Broken pipe errors on WildFly 8
Added cause for rethrown classloading exceptions so they can be diagnosed
Fixed SSE reconnection logic
Fix maven warning from errai-bom parent.
Remove method in class causing failing test-case (this was already done for a similar test in errai-bus.
Switch all GWT tests to maven-failsafe-plugin.
Create profile for running tests in firefox through selenium.
ERRAI-748: Added HTML5 Push State support as default for Errai-Navigation.

Created functionality to support path-parameter-based URLs using HTML5 Push State. Also updated HistoryToken to parse new URLs. Push State is now default URL format.
Remove selenium dependencies from modules and inherit from firefox-test profile in parent.
Move errai-bom to beginning of reactor build to prevent missing version errors after adding new dependencies.
Fix ERRAI-779: Ignore meta tags added to template fragments in GWT 2.6.1.