Changes iter to iterator in remaining places.

These missnamings do seem to keep on popping up …
Adds output file for t106

This is the equality test, was the egality test.
Deletes objectdraw.grace

Also adds a makefile target to grab a current version from another
repository. Unfortuantely, this means that the version number of
minigrace does not reflect the state of objectdraw.

Git says that this is a merge of branch 'master' of
https://github.com/apblack/minigrace, and that I should explain
why this merge is necessary.   I don't know why it's necessary,
since I was unaware that common files had changed, and don't know
how to find out what was merged.
Removes un-dotted classes.

gUnit.grace now uses factory methos rather than undotted classes.