request:MEMBER hash "username" parameter, not "member_id"
local members have no username
avatar_dir must be a class variable
remove unused avatar_url
fix typo
update libertree-model
add Http::Avatar tests
fix: opts contains symbols, not strings
update libertree-model
Merge branch 'master' into xmpp

Conflicts:
	Gemfile.lock
	lib/jobs.rb
	spec/jobs_spec.rb