Removed sInstance from TeclaAccessibilityService class.
Removed sInstance from TeclaIME class.
Removed mHUDShowing variable from TeclaHUDOverlay class.
Merge pull request #235 from ericwan78/issue-233

fixes #233
Merge pull request #236 from k22mak/develop

Build TeclaNext-build-2013060402.apk
Merge branch 'develop' of https://github.com/idrc/tecla-framework into issue-232

Conflicts:
	package/tecla/addon/TeclaAccessibilityService.java
Recoded singleton variables.
Merge branch 'develop' of https://github.com/idrc/tecla-framework into issue-232
Merge pull request #234 from ericwan78/issue-232

fixes #232
Renamed preference activity to TeclaSettingsActivity.
Merge pull request #240 from ericwan78/issue-237

fixes #237
Changed check for HUD when keyboard is dismissed. Fixes #244
Merge pull request #245 from jorgesilva/develop

Changed check for HUD when keyboard is dismissed. Fixes #244
Better handling of switch events
Merge pull request #247 from jorgesilva/develop

Better handling of switch events
Minor refactoring. Shield connection needs lots of work.
Merge pull request #248 from jorgesilva/develop

Minor refactoring. Shield connection needs lots of work.
Add latest build
Merge pull request #249 from jorgesilva/develop

Add latest build
Removed unused code (was already commented out)