Collect additional data

Screen size, total and free external and internal space.
Merge pull request #35 from TeamWhat/collect

Collect additional data
Add sent flag
Unfinished sent flag things
Sent flag works now
Merge pull request #36 from TeamWhat/sent

Sent
Add settings screen on first launch
Add separate first launch activity with it's own about and settings
Finish first time settings
Add data send counter
Data sent counter to count
Fix conflict