Road to rverse 2.5

[Repflez]

As announced a few months ago, rverse 2.5 is bringing a bunch of improvements. This issue is to track each of them.

• Activity Feed
• Profile softlocks
• Mii updates (fixed in dbeebd1)
• Saved Posts support
• Notifications
• Post limit from the Miiverse redesign (only as a punishment measure)
• Community permissions (read only communities? yes please)
• Proper redesigned communities
• "Has game" and in-game marker
• Signup issues
• Reporting improvements
• Profile improvements
• Login issues (fixed in 611834a, af6affa)