move youtube method to app_controller from artist_controller #44
modify youtube gem #44
create study page and modify routing
create routing, link, schema and seed for study(random) page
modify show.htm.slim to fix bug
#44 styled 'Study' button for each date :)
change to common word on ytAPI
create stud page
merge from master
move method for youtube from artist to application
prepare next_song method (but not using...)
add path_key for festivals_date to spec helper
Merge branch 'create-random-page' of https://github.com/i-d-e-a-t/fesdy into create-random-page
#94 add 'view has no error' spec
#94 resolve conflict from #70
simplify my codings according to craftpaperbag
clean conflict
resolv conflicts
Merge pull request #94 from i-d-e-a-t/create-random-page

Create random page refs #44