Add Heroku image to static files
remove trailing white space
resolve conflicts
resolve conflicts
remove cucumber.yml
resolve conflicts
send meeting email to rails girls
link to doodle for confirming attendance for now
Merge pull request #140 from despo/meetings-and-sponsorable

Meetings and sponsorable
remove puts statements
remove event sponsorship spec
event and meetings can have coaches
move find_cities to ApplicationController
make avatars a bit smaller
show attending coaches in meeting page
show all meeting sponsors in meeting pages
order events by creation date
restrict event parameters
use lambda in default_scope
add coachable to event and meeting

add nested city event/show route 
to make it easier to link to coachable from coach pages