Revert "Adding a bit more options to the wrapper."

This reverts commit 89a8ca8d64d01cd568d35b45549ff6a10429b9f9.
Adding a bit more options to the wrapper.

Conflicts:
	dropzone-gwt/src/main/java/com/twocentsforthoughts/dropzone/client/Dropzone.java
	dropzone-gwt/src/main/java/com/twocentsforthoughts/dropzone/client/Options.java
	dropzone-gwt/src/main/java/com/twocentsforthoughts/dropzone/client/interfaces/DropzoneOptions.java