close #20: use bootstrap instead of old layout
setup grape
create empty event api

API syntax examples:
curl -X GET http://localhost:3000/event/v1/events
curl -X GET http://localhost:3000/event/v1/events/1
curl -X POST -d "event=new event" http://localhost:3000/event/v1/events
curl -X PUT -d "event=my event" http://localhost:3000/event/v1/events/1
curl -X DELETE http://localhost:3000/event/v1/events/1
remove a gem which causes a rails console navigation problem
a better api name
add empty rspec test for event api
move event api out of timeline api
add rspec test for get event list and get an event
add rspec test for create an event api
add rspec test for update an event api
add rspec test for delete an event api
add api syntax example before each test
Use unicorn as the app server
return real data for get event list api
fixed name convention for api specs
disable drb for RSpec
Rename '/timeline' prefix as '/api'
Add sample rspec cases
redefine get an event api without capybara
redefine create an event api without capybara