Merge pull request #9 from xiatao123/master

add drop down menu
added backdrop and show description
Merge remote-tracking branch 'upstream/master' into details
add basic search function
solve conflicts from linkai and tao
Merge pull request #10 from ios-class/linkai_search

Linkai search
merge data model
Merge remote-tracking branch 'upstream/master' into details
delete searchMoviedb Model
Merge pull request #11 from ios-class/linkai_search

Linkai search
added ability to pass tmdb id to show details
fixed conflict in show collections
Merge pull request #13 from sudocode/tmdb-details

Tmdb details
added the categories

Found an issue with display Show object without images