v0.5.0

be3fc62 [REFACTOR] Changed assessment demos to use questions api V2
568e320 [REFACTOR] Turned on options for items api (assess) demo and added idle timeout
7188821 [BUG] Repointing items api to prod
f52b989 [POLISH] Added example spans on featuretypes demo page and codemirror.js for beautification.
7fbe338 [FEATURE] Added formula question demo.
984ec3d [FEATURE] Added "idle" timeout options to the override settings modal on Items API demo
f305305 [FEATURE] Added stylesheet override to Items API Assess demo.
9fde4eb [POLISH] Removed question mark in label on items assess override modal.
0f04c0e [REFACTOR] Removed default custom css for items settings override. Updated contents of custom.css
540dc2d [FEATURE] Added warning_on_change to items settings override page https://app.asana.com/0/8825147419757/9102116731822