Book filter

[bKondo]

My second pull request.

This adds 2 activities: filtering general quotes by anime title and by character name.

• the spinners for filtering do not receive data from API calls, they use string-array resources
• each activity uses a function that takes the spinner's selected item to make an API call for updating the quote feeds

This branch also implements movability between the 3 quote feed activities.

[sewageseaweed]

Looks good to me. Waiting on Andrew to review.