Added a 3-switch emulation on touch interface and implemented a control in TeclaAccessibilityService show interaction of shield navigation with highlighter.
Implemented scanning.  Working on scroll.
Control overlay shows D-Pad with center key.
Implemented a method to find the clickable node that is closest to a specified point.
Modified algorithm to find the closest item on the display at a specified direction.
Modified the algorithm to take care of edge cases.
Implemented active navigation.  Click action does not properly function yet.
Click action now works properly.
Update nodes on TYPE_WINDOW_CONTENT_CHANGE.
Fixed null pointer exception.
Red highlight on the parent node.
Highlight tweaks for better usability
Merge branch 'fixes' of github.com:jorgesilva/tecla-as into develop

Highlighting fixes for demo + rough UI for node control
Conflicts:
	src/ca/idrc/tecla/TeclaAccessibilityOverlay.java
	src/ca/idrc/tecla/TeclaAccessibilityService.java
Merge pull request #11 from jorgesilva/develop

Initial rough implementation of node based navigation. Fixes #9 and #4
Move touch-based debugging overlay out of Highlighter and Service.

Fixes #4 and fixes #5
Merge pull request #15 from jorgesilva/develop

Move touch-based debugging overlay out of Highlighter and Service.
Remove .settings folder from repo
Update git ignore file
Add TeclaSDK dependency to connect to real Tecla Shield

Barely functional... but useful. Able to process broadcasts from running TeclaShieldService
Merge branch 'develop' of https://github.com/idrc/tecla-as into csun13-demo