Interfaces para soporte de IndexedDB
Merge origin/master

Conflicts:
	src/main/java/com/workingflows/js/jscore/client/api/db/IDBEnvironment.java
	src/main/java/com/workingflows/js/jscore/client/api/db/IDBFactory.java
	src/main/java/com/workingflows/js/jscore/client/api/db/IDBOpenDBRequest.java