iOS: done #1128 (user & activities icons)
iOS: done #1128 (user & activities icons)

I noticed the missing avatar icon, and fixed it as part of #1122. Here's a fix for the activities icon.

manderson23/NewsBlur,AlphaCluster/NewsBlur,AlphaCluster/NewsBlur,AlphaCluster/NewsBlur,manderson23/NewsBlur,manderson23/NewsBlur,samuelclay/NewsBlur,manderson23/NewsBlur,AlphaCluster/NewsBlur,manderson23/NewsBlur,manderson23/NewsBlur,samuelclay/NewsBlur,manderson23/NewsBlur,samuelclay/NewsBlur,AlphaCluster/NewsBlur,samuelclay/NewsBlur,AlphaCluster/NewsBlur,samuelclay/NewsBlur,samuelclay/NewsBlur,AlphaCluster/NewsBlur,samuelclay/NewsBlur,AlphaCluster/NewsBlur,manderson23/NewsBlur,samuelclay/NewsBlur,manderson23/NewsBlur,manderson23/NewsBlur,samuelclay/NewsBlur,AlphaCluster/NewsBlur,samuelclay/NewsBlur,samuelclay/NewsBlur,AlphaCluster/NewsBlur