Buddylist changes
Changes for code review
Merge pull request #639 from uProxy/dborkan-roster

Buddylist changes: remove bytes sent/received and userId, show giving/sharing icons, code cleanup
Remove description from onboarding, allow users to change it in settings
Change "1st Computer" to "Computer 1", etc
Merge pull request #641 from uProxy/dborkan-roster

Remove description from onboarding, allow users to change it in settings
Merge remote-tracking branch 'origin/dev' into lucyhe-sharing_enabled_icon
Merge with dev