Updated email instructions to clarify that BLE module should plug into port A
Clarified instructions for setting up Tessel
Layout improvements
Localized apple errors, to pull them out of VC
Localized Tessel error descriptions
Localized notification
Localized alerts on MainVC
Fix error in Localizable.strings
Added convenience method for creating an alert with an OK button
Detailed the objects used in the application, and my opinions about VC-only demo apps