Added test for short-fat matrices of Issue #1239

Also added skeleton of tests for columns with fewer than 3 rows.
Removed index removal in low degree funqui
Replaced equality checks with tolerance checks
Added constant test and better tolerances

pref.eps -> 10*vscale(g)*epslevel(g), and added a non-quasimatrix
constant valued function test
Merge branch 'fix-equi-ctor' into development