Mesh set* chaining

This change makes working with static Mesh objects much, much prettier.

The pattern is used by Wicket and parts of libGDX already
Merge pull request #470 from g-pechorin/patch-1

Mesh set* chaining
Fixed RunnableAction resetting from without the runnable.
Fixed copy/paste on OSX.
Removed display lists from Hiero.

Performance isn't important for Hiero and this was causing crashes on Linux.
SequenceAction fix, #463
Better handling of removing an action during the action.

And by better I mean fixing my previous fubar fix. #463
Removed use of SharedLibraryLoader for silly GWT.
Merge branch 'master' into reflectionapi