set optgroups to depends on list

This way is easier to find the task you want to depend to
Corrected bug where currentTiddler was not correctly referenced in No Project optgroup.
Remove debug string.
Replaced bad workaround with better code similar to code with other optgroup.
Merge branch 'master' of git://github.com/rotlaus/gsd5 into rotlaus-master
Hide duplicate realm on Actions with no realm; though no realm actions should not exist.