WIP
Added Gps Cache
Added file headers for compressed upload
Added Broadcast of GPS sampels
Moved published file to sdcard directory.
Multiple Changes:
* Debugging ZIP File Upload
* Added Activities
Reactivated GpsCache etc.
Added testing button.
Added switch for ZIP compression. Refactoring.
Restored FeaturePipeline from dev branch
Merge branch 'APIExtensionSpiros' into dev