Merged with private repository.

Merged with private repository.

Update accessibility.
Accessibility event is defined for script type livebox & pd.

Update touch_effect & need_frame.
These attributes should be described for each size type.

Update parser for getting accessibility text
TYPE="access"
is added.

"need_frame" attribute is added
For handling the frame decoration of boxes.
If a box set "true" for this need_frame attribute,
The viewer will draw the border for it.

Active/Passive update mode is added.

Add update_mode.
Active & Passive update mode.
These two words are used for viewer.
If a viewer wants to update the content of boxes without any updated events, it can use the active mode.
or it can update by the updated event.
passive mode is default.
So every viewer will get updated event then they should to update the content of boxes.

Change-Id: I928f5cdf1c99fa428a05e84f5605cdd60724a555