Small bugfixes.
Add patched CasperJS, which uses q.js to implement promises.

Move away from using buggy casper_goto.js script.
TODO: implement exception handling, remove unnecessary casper components.
Remove lastObserved property from crawler object. Small fixes.
Delegates event handlers: last jQuery versions support.
PredictiveHandlersContainer: initial prototype realization.
DomStructureStateComparator: fix function calls.