Created classes for HUD.
Added resources for drawing HUD.
Added resources and code for drawing HUD.
Added missing resources in the docs folder.
Added missing resources in the highlighter project.
Writing code for HUD ...
Writing HUD code.
Removed previous touch interface debugging code.
Setting up overlay  ...
Added right side button in the resources and added drawable resources in the lists of TeclaHUD class.
Completed the implementation of HUD.
Implemented full-screen single-switch scanning for navigation.
Fixed some png files.
Merge branch 'issue-43' of https://github.com/ericwan78/tecla-as into issue-43

Conflicts:
	highlighter/project.properties
	highlighter/src/ca/idrc/tecla/TeclaAccessibilityService.java
	highlighter/src/ca/idrc/tecla/TeclaShieldControl.java

Fixes #43
Merge pull request #48 from jorgesilva/issue-43

Tweaking @ericwan78 pull request for proper merging. Fixes #43