Remove the csrf domain from the default settings because we don't need it (we don't have requests going between multiple servers in the same domain). This will make it so that we can test servers from any url, rather than just a single url

Re-raise an integrity error during user creation if it's not caused by something we know to check for

Catch user integrity errors, and then try and figure out what caused them (which removes a race condition)

Made sure that histogram graph doesn't show up for modules without scores. Modified look of histogram graph.

Rl announcement

Use inline if-else to cleanup HTML

The result from the normal if-else block has linebreak, which result in
poorly formatted HTML code. This should fix it and make the code looks
cleaner.

Email reword

Added new styles for tutorials