The bug was in filter_current_assessments() being applied before get_unkept_assessments()
so actually no current assessment records could be detected.

From now on, all English strings use the new syntax. They are not
eval()'ed any more and the only valid placeholders are {$a} and
{$a->foobar}. No extra quotes escaping, dollar sign escaping and putting
double percent signs.

The modified files were exported from AMOS database repository in the
new syntax and were re-ordered by stringid. Standard GNU/GPL and PHPdoc
blocks are added. Where there was no copyright note so far, I added the
default one with Martin Dougiamas as the copyright holder.

Live long and prosper.

MDL-21693 Dropping _utf8 suffix from language codes and folder names; enabling new string managers - please note the transition is not yet fully complete because we need to wait for git to recognize the renames in cvs

Moving stuff from lib.php into static methods in localib.php. Removing
things from workshop core that were implemented in a subplugin. Dropping
stuff related to features not to be implemented in 2.0.

Critical issue fixed here: after recent refactorings, I called
get_users_with_capability() inside the loop in another loop! (oops :-)
This was used in my very first code using the renderers. I have learnt
I should follow the core approach (as suggested by Tim) to prepare a
data object and pass it to the renderer. The fact the renderer called
a workshop method indicated something was really wrong...

WIP