try to improve wording, we are interested in all underrepresented people,
not just women
Moves seats from sessions to sponsor

Issue #11
Correct sessions spelling mistake
Merge pull request #23 from andrewmcdonough/session-spelling-mistake

Correct sessions spelling mistake
resolve merge conflict
apply the typo fix that Andrew pointed out
fix for AR returning active record relation when 
no result
move next outside scope, into concern file
reuse for sessions and courses
Merge pull request #22 from pvcarrera/master

Moves seats from sessions to sponsor
digital-science
fixed
fixed reminder
Merge pull request #24 from codebar/invite-5

digital-science
Merge branch 'master' of github.com:codebar/planner
link to gittip
Merge pull request #25 from codebar/add-gittip

Add gittip
add spots available email
Merge pull request #26 from codebar/spots-available-email

add spots available email
Adds scope 'admins'

Issue #33
Creates no_admins scope in Role model

Issue #34