Merge pull request #13 from nicolejpaz/drawing_controller

Add drawings_controller, no persistence
Add playlist add form to show page.
Merge pull request #14 from Ravenstine/playlist_add2

Add playlist add form to show page.
Merge pull request #16 from Ravenstine/master

Merge forks
Change drawing route from post to put.
Merge branch 'master' of https://github.com/nicolejpaz/fremote into drawing_controller
Make playlist form add items to playlist.
Merge pull request #15 from Ravenstine/playlist_form

Make playlist form add items to playlist.
Add tests for drawings controller.
Add ability to save coordinates in database.
Repair issue with playlist sort not persisting.
Merge pull request #16 from Ravenstine/sort_fix

Repair issue with playlist sort not persisting.
Write tests for drawings#read.
Merge pull request #17 from Ravenstine/master

Merge playlist form
Merge branch 'master' of https://github.com/nicolejpaz/fremote into drawing_controller
Write tests for drawings#clear. Refactor already written tests.
Set drawing.coordinates to empty array on drawings#clear post.
Add method to read drawing coordinates from database on load.
Add any existing drawing to canvas on load, AKA persistent data.
Move GET read call from document.ready to separate function.