Merge pull request #204 from jorgesilva/develop

Update to latest release version
Enabling speakerphone after a short delay. Fixed #203

This delay allows to complete Jellybean's auto-disable-speakerphone
procedure first and then enable the speaker manually.
Delay only if API >= 16
Merge pull request #205 from sagarchandarana123/issue203

Enabling speakerphone after a short delay. Fixes #203
Fix Shield pairing/connecting method for Tecla Shield DOS