Forms, Post, and Search

Added Forms via Flask-WTForms. Added on the Contact, Login, and Signup
page, all with form validations. Added some simple redirects and flashes
to the index after posting a forms, to test if working. Search bar is
updated to work without random JavaScript work-arounds and works by
using /search/?terms="". Also if you don't have a config.py file, the
program won't crash... I think.