removed userid/authtoken from each request and added user context to description.

had to redo this because configuring on my new computer is too slow.
foreign keys to book_pings.sql table
Merge pull request #39 from fowlerje/dev

removed userid/authtoken from each request
Merge pull request #41 from BearInATie/dev

Actual Update to PDF Print
Merge pull request #40 from ritchedt/dev

foreign keys to book_pings.sql table
constraint names must be unique across the database
Create institutions before users
Make deploy.php available
Testing webhooks
More testing webhooks
More testing
More testing
More testing 5
More testing 6
More testing 7
More testing 8
More testing 9
Got rid of call_numbers in htaccess
Added documentation for lc_numbers, removed call_numbers
Fixed spelling error