Security: add HTTP headers to prevent browsers from caching responses

kill unused css - fixes #585

bump clojure.java.jdbc 0.3.7 -> 0.4.1

Bump dependencies 

New Onboarding Flow

Mobile dashboard fix

 block unsafe native queries against H2 databases

add in new user onboarding screens which show up when user first enters the application for the first time.

provide a very simple hook which allows the frontend password reset page to know when the user is coming in as a brand new user.

consolidate logic regarding creation/setting of password reset tokens within functions of User model.  update the `(create-user)` function so that we send users directly to reset their password instead of starting on the forgot_password page.

simple bash scripts for uploading EB versions and deploying them

New invite emails

put comments on their own line.

Sync logging cleanup