Store parameters in $.Data. Bug fix.

Add 'data-overflow="no-dragon"' field to cancel "Dragon" functionality.
Bug: fix offset reading from Parent object.
Bug: fix keyboard event capturing.
Store parameters in $.Data. Beta bugs fix.

Add 'data-overflow-x="no-baron"' and 'data-overflow-y="no-baron". This
option cancel baron functionality to single element.
Bug: fix initialization procedure