Bug 976082 - added tests for Touch Adapter. r=eeejay

---
 accessible/tests/mochitest/jsat/a11y.ini           |   3 +
 accessible/tests/mochitest/jsat/dom_helper.js      | 157 +++++++++++++++++++++
 accessible/tests/mochitest/jsat/gestures.json      | 132 +++++++++++++++++
 accessible/tests/mochitest/jsat/jsatcommon.js      |  15 +-
 .../tests/mochitest/jsat/test_touch_adapter.html   |  54 +++++++
 5 files changed, 356 insertions(+), 5 deletions(-)
 create mode 100644 accessible/tests/mochitest/jsat/dom_helper.js
 create mode 100644 accessible/tests/mochitest/jsat/gestures.json
 create mode 100644 accessible/tests/mochitest/jsat/test_touch_adapter.html