Integrated HUD self scanning into AutomaticScan class and reset timer on switch event.
Fixed glitch on transition from keyboard to HUD selection.
Set long timer on switch events.
Added screen switch background resources.
Added screen switch visual feedback.
Moved scroll check to a different location.
Checked for highlighter after clicking node.
Merge pull request #221 from k22mak/develop

Build TeclaNext-build-2013060301.apk
Merge pull request #222 from ericwan78/issue-135

fixes #135 and fixes #215
Merge pull request #224 from ericwan78/issue-209

fixes #209
Merge pull request #226 from ericwan78/issue-225

fixes #225
Merge pull request #228 from ericwan78/issue-216

fixes #216
Build TeclaNext-build-2013060401.apk

Issue #220