Fixed checkbox for connecting to shield. Preference will now be properly checked off upon connection to the Tecla shield.

Fixed #168
Removed discoverShield() call in bluetooth receiver

Fixed #170
Merge pull request #170 from k22mak/develop

Fixed checkbox for connecting to shield in preferences
Move SEP out of SDK. Fixes #172
Merge pull request #173 from jorgesilva/develop

Move SEP out of SDK. Fixes #172
Add versioncode28 tag
Merge pull request #174 from jorgesilva/develop

Add versioncode28 tag
Complete hotfix to avoid calls on null keyboard.
Merge pull request #175 from jorgesilva/develop

Complete hotfix to avoid calls on null keyboard.