work towards doing accurate points calcs all up front so we can use different agg columns (first or last)
Also improves maintainability
return to eliminating of line in cell
Merge branch 'master2' into aggfirst
changes so weights calc correctly for laeuser
preliminary work to calc up front so we can place agg position first or last
Merge branch 'master' into master2

Conflicts:
	version.php
reverting category totals string to include break
changes to allow for first or last aggregation column
changes to fix calculation of weights in all circumstances
push version
fix for extra credit
Merge branch 'aggfirst' into master2

Conflicts:
	locallib.php
	version.php
Merge branch 'master' of https://github.com/bobpuffer/moodle-gradereport_laegrader
german lang packs