updated the README.md
yuanyuan.zou:update readme.md
Merge pull request #6 from yuanyuanzou/develop

updated the README.md
Workaround, fix #7

Something wrong during downloading the bundle.jar file.
The downloaded filesize was 0 in some unknown case.
Add a wprkaround to try download it again when its size is 0.
Merge branch 'develop' of github.com:xiaocong/uiautomator into develop
fix test failure
fix test failure...
Support multiple devices
update format of readme
minor refactor
update readme
update readme to add discussion forum.
Support multiple devices

- When multiple devices attahced, auto select different local port for
  diffetent device.
- Move adb forward from start method to alive method.
- Update tests.
Using existing forwarded port

- When creating device obj, it will try to use the forwarded port
instead of scanning.
v0.1.16
Merge branch 'release/v0.1.16'