calculate points based on associated transactions
add hook to associate transaction with user upon submission
checkPoints.js: limit Transactions query to current user

Previously the activity list would show all transactions for all users.
This limits the list to lines of points earned by the current user.
remove points from transactions
checkPoints.html: add "Dispute" button (non functional)

Adds a button to be used to dispute your point allocation for a given
event/transaction. Currently doesn't do anything.
show points on admin events view
Change Transactions to have eventID
creating modal and autoform for the admin events page