Merge pull request #11 from jorgesilva/develop

Initial rough implementation of node based navigation. Fixes #9 and #4
Merge pull request #15 from jorgesilva/develop

Move touch-based debugging overlay out of Highlighter and Service.
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
Merge pull request #17 from jorgesilva/csun13-demo

First functional Shield-compatible implementation