Use the check update method before enabling the update button.
Move to the property based beacon info reading system since async method based system look unstable.

Spot and document some memory leak.
Move to the last Estimote SDK version.
Update to support new Estimote SDK and handle multiple identifier.
Move to the last Estimote SDK version.
Move to the last EstimoteSDK version
Full support for proximity UUID modification.
Tracking of previous uuid.
Disable the error alert view inside the checkFirmwareUpdate completion block since the API always send back an error when no updates are available.