better handle error
comment out Summoner#after_find -- we'll find a better solution later
TODO: background job for updating summoner
refactor user_path, redirect when nickname available
test User#identifier
rename User#role to User#kind, add User#kind?
add Team and Member
switch to Slim templates
update to Rails 4.1
BREAKING: Use Rails 4.1.0's enum
use 'annotate' gem
add Rake task for annotating
add users index and some template refactoring