Accept blank passwords.
Merge remote branch 'nils-werner/master'
Merge branch 'experimental'
Refactor back-end XSLT transformations so arbitrary stylesheets
can be added to the transform at any point. A bit brittle at the
moment, but it works.
Updated repository URL.
Literally multiple years worth of bug fixes.
Added the profiler devkit.
Added the tests devkit.
Added the email template event.
Cryptography changes from Symphony 2.
Merged new stable code into experimental.