refactor the dir structure

putting system specific files into their own directories makes it look
nicer and easier to work on.

Change-Id: I485640a93d8fda8d60f6e92b34834f877f19f5b6
Reviewed-by: Lorn Potter <lorn.potter@jollamobile.com>
remove proprietary libsysinfo stuff

Change-Id: Iad21e043c67722244e069d09c08d63db779b5c60
Reviewed-by: Lorn Potter <lorn.potter@jollamobile.com>