Add initial reflection wrapper api.
More changes.
Merge branch 'master' into reflectionapi
Merge branch 'master' into reflectionapi
More reflection work
More reflection work
Merge branch 'reflectionapi' of https://github.com/libgdx/libgdx into reflectionapi
Merge branch 'master' into reflectionapi

Conflicts:
	backends/gdx-backends-gwt/src/com/badlogic/gdx/backends/gwt/emu/com/badlogic/gdx/utils/Array.java
	backends/gdx-backends-gwt/src/com/badlogic/gdx/backends/gwt/emu/com/badlogic/gdx/utils/ArrayMap.java
Merge branch 'master' into reflectionapi
added AsynchExecutor and related classes, to get rid of AssetManager emu in GWT backend
changed asynch to async
removed AssetManager GWT emulation, added ThreadUtils for yield in GWT, all is well now
Moving some things around
fixed stuff
Add exception messages and javadocs
Clean up exception messages
Fix up GWT javadocs/exceptions
Merge branch 'master' into reflectionapi
Update CHANGES