CDS: set min/max on preferences.dayStart
fixes #2316, challenge icon getting wackified
update forum & lfg links
Update Tavern.jade

I changed the name of wiki forum so it didn't display as "LFG Board board" which broke the link.
Merge pull request #2350 from bobbyroberts99/patch-1

Fix link to wiki LFG board
Fix challenge completed not displaying text when someone wins a challenge.
Fix typo
Merge pull request #2363 from Sinza-/develop

Fix challenge completed not displaying text when someone wins a challenge.