Added password_compat library for PHP5.3 support of password_* functions.
Created compatibility function for file_put_contents
Fixed PHP warning abount calling session_start after output to the browser
Fixed incorrect JSON syntax
More bug fixes

My local test machine must be extremely laid back. I had never seen any of these bugs before I installed a test instance on the new website. Well, at least their squashed... For now.
Merge branch 'php5.3-comp' into develop