No longer deploy aerogear demo
Ensured same behavior of MetaClass#get*Fields() implementations.

* GWTClass.#get*Fields() and BuildMetaClass.#get*Fields() now behave
  the same like JavaReflectionClass.#get[Declared]Fields()
* Added a test case for building a class with access to inherited fields

Fixes https://issues.jboss.org/browse/ERRAI-640
ERRAI-643: Make sure to trigger converters when syncing FROM_UI
Fixed ERRAI-646: Destroying beans that have observers no longer causes unconditional CDI remote unsubscribe messages

We now first check if other matching local observers are present before unsubscribing from remote events of that type and qualifiers.
Upgraded to MVEL 2.1.6.Final
Additional fix for ERRAI-646: Avoid resetting SSE channel every 60 seconds

- For SSE, we now send an empty JSON array as data every 45 seconds to avoid inactivity timeouts
- SSE support was removed from StandardAsyncServlet
Upgraded to MVEL 2.1.7.Final
Removed comment to deprecate FROM_UI because it turned out to be useful (see ERRAI-643)
Removed quickstart docs (no longer used)
Updated to version 2.4.1.Final
Updated to new version 2.4.2-SNAPSHOT