Added functional homepage form that accepts all input for a new user, including their profile picture

Added a new WidgetUser form that accepts the information for a new user; only WidgetUser fields functional, Department fields still need extra work

Merge branch 'master' of https://gitlab.discs.ateneo.edu/rangelo/widget-tee-jays-angelos into sy/assignments

Merge branch 'master' of https://gitlab.discs.ateneo.edu/rangelo/widget-tee-jays-angelos into sy/assignments

Added changes to Homepage app, in particular: (1) Added picture field to homepage model, (2) Added homepage/details page, (3) Added CSS to both homepage and homepage/details.

Added profile picture field to Widget User, added completed details page for every user, added some basic CSS to the homepage and to the details pages