Remove prime from built-in server list (kontalk/network#2)

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Access default account if it exists (fix #186)

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>
Merge branch 'master' into composite_balloon
Introducing content views priority (absolutely not working)

Signed-off-by: Daniele Ricci <daniele.athome@gmail.com>