Merge pull request #6 from k22mak/jb-release-tecla-dev

Added README.md from tecla-framework into new tecla-hud project.
Merge pull request #8 from k22mak/jb-release-tecla-dev

Changed references of Tecla Next Framework to Tecla HUD
Start HUD implementation defined in #5
Add HUD design file
Merge branch 'jb-release-tecla-dev' of github.com:idrc/tecla-hud into jb-release-tecla-dev
Add licensing files
Increase size of HUD's highlight frame. Fixes #9
Update README.md
Proper shut down of AccessibilityService debug scan
Include keyboard in HUD debug scanning sequence. Fixes #14
Fix issue with processing of keyboard bounds before broadcasting
Initial implementation of row/column scanning. See issue #17
Add keyboard to row/column scanning. Fixex #17
Add full screen preference and activity. Issue #19
Initial full screen switch implementation. Issue #19

Still missing keyboard functionality.
Will still require users to use the screen for BACK/HOME events
Now with emulated keyboard taps! Fixes #19

Still missing additional navigation actions. Will open separate issues for that
Add isSameRow to bounds comparator. Fixes #18

Also consolidated keyboard and UI highlighting methods
Unregister preference changed receiver in a11y service. Fixes #21
Detect and auto-select single item rows. Fixes #23

Also minor refactoring to attempt reducing likelihood of #22. Unsuccessfully
Included images required for the contributing code wiki page.

Issue #16