no flashing or map problems
Merge pull request #7 from sfahlberg/working_version

Working version
add functionality to find current location
improvements to index and show pages
add new bikes
fix data bike_id and recipient_id for sent message
display author email on message show
add more bike pics
fix bugs
add autocomplete to map
remove location_params since google maps already had that functionality
adjust css so images are full-screen
make carousel work for login/signup
modify sign up modal to make it smaller
modify sign up modal to make it smaller
attempt to make show page filter map
minor about and show improvements
work on maps distance
create new seed data
remove images, replace with filepicker links