[android] Fixed invalid if in device id retrieval.
[android] Added READ_PHONE_STATE permission for demo purposes.
[android] Removed unnecessary debug mode activation.
Code review fixes
[android] Fixed crash caused by invalid initialisation order.
[android] Forced statistics uploading on WiFi connected event
Append installation id event for each sent packet.
[android] Gzip data passed to the server on the http transport level.
std::move is not required here.
Set Content-Length for gzipped POST requests as nginx supports chunked encoding only from 1.3+ version http://wiki.nginx.org/HttpChunkinModule
[android] Collect more statistics about the device.
[android] Collect full device info statistics only once a month.
C++ code formatting
Java code formatting
Added missing licenses
Merge pull request #10 from KnowSheet/review

Android client production code