groups: bug fixes: {#if _party} dynamic binding, subscription allowed
for either party or guild with out requiring the other
comments on cron stuff
groups: small html modifications
challenges: hide challenges tab for now
Revert "!IMPORTANT! xhr-polling for heroku, while testing challenges. remember"

This reverts commit 00d62edbc9a72dff78e246c5ba453430d7e358bf.