some backend stuff for apps
apps: provide a default photo if none was set. For now it's the default profile photo until we have a default app photo
the app menu takes form
first apd files
add the theme file
more base apps
some sidebar content (doesn't yet do anything)
add directory
login app
this is how to link photos to apps
add hover tips - except we need a way to translate the things
Merge remote-tracking branch 'upstream/master'
Only load profiles for humans.  Normal channels need to spit out a
comanche page, which isn't done yet, but human channels should be
the exception.