Fixed a (unreported) bug where some unrendered math formulas didn't display
well in Essay questions.
Merge branch 'develop' of http://github.com/openwebwork/pg into essayencode
Added text2PG (which was a union macro) to the main macros folder
because its used by PGessaymacros now.
Fixed assiciated bug in EV3P having to do with backslashes.
Merge pull request #60 from goehle/essayencode

Essay encode