Merge pull request #1 from weikunlu/master

- add gesture that allow Long press and double tap.
Merge pull request #2 from weikunlu/master

fix issue with double tap at current point.
[FloatingLayoutDemo] To add eclipse project files.
Merge pull request #3 from weikunlu/master

Cat layout does not require rules of RelativeLayout anymore, more flexib...
To adjust control flow.
Merge pull request #2 from jarvischung/master

Updated control flow.