add debug box
each user now has a page displaying basic information
when the debugger method is called, a prompt will open in the server console to interact with the current ciew
users now have their Gravatar IDs attached to them
user page now has a stylized sidebar with gravatar and name
user signup is now more secure, and error messages are displayed if signup is invalid
add test for invalid user signups
users now get a flash message on suxxessful signup
finish user signup
Merge branch 'feature/users-sign-up' into develop
Finished Chapter 7 - users signup