add lca.js so that pages can be used to logout
add getUserData function
update readme for getuserdata function
Check if user is already registered and ask if found

Checks if user already has OAuth info in the user table and, if so, creates a page to warn them and ask them to verify (checking a box) if they are.
update if user already exists and small fixes

Adds an update option if, on insert, that key (ldap user) already exists.

Small fixes:
Adds lca.js so that someone can log out while viewing the page.
Adds flush() commands after steps so that user gets immediate feedback.