revert IP preference startup check to allow IPv4 addresses without warning again.
Edit layout to give slightly more space to patient view and less to map view. Fixes button text issue on nexus 7
Added preferences and button for requesting ecg stream using Broker's REST api.
Removed DataDroid from project plus small fix to strings
Removed old model objects and network clients.
Changed graphhelper to have queue of type Integer until ecg stream is ready.
Little more cleanup
Added Retrofit, okhttp, and okio libraries for REST
Added actual Retrofit, okhttp, and okio libraries (old ones were somehow empty).
Added api client for ECG request
Updated URL in Config to work with new api
Changed okhttp to older version as RC1 was causing a crash.
ECG streams can now be requested, though the app does not know how to process them yet.
App will now auto subscribe/unsubscribe to that patient's ecg stream when a patient is selected.
ECG stream messages are sent to PatientLeft for processing
Actually send message to PatientLeft now
Can now correctly parse and display ECG stream data
Changed look of ECG request button