fix clear_mongo.sh script (new perl lib path)
quest.watchers index, watcher as /api/quest param
refactor app/t/quests.t - get rid of a global quest_data
/api/quest supports 'watchers' cgi param
move quest-collection comparators to the model; fix dashboard quest order
"watched by me" tab in /explore
rebuild static
Merge branch 'watched-list'