Add logging/warning for no description situaion

Sometimes MGI isn't returning the mouse descripttion when auto-filling
the submisison form.  This is annoying.
Bigger email template editor
Clean up the options page formatting
Fix Cre showing up in wrong search results

Exclude the expressed sequence from mutant allele records that don't
have mouse genes as the modification type.
Add admin comment to mouse records
Tweak options layout, side by side now