Fix server version crash; Move screenies; add Hugo debug library

Don't fail when comparing server versions if one of them is not valid.
Move all screenshots out of the assets folder. This added around 10MB to the size of the released apk for no reason.
Added Hugo debugging diagnostics library
Add WIP proguard configuration file. Currently does not save information to database
Removed unused parcelable construction/deconstruction

Change-Id: I9678021410185b6fc182cff8c54985071dd3d8b7