move code around for aesthetics
clean out buggy method of connecting to mongo from quiz-engine
clean out buggy method of connecting to mongo from quiz-engine
re-factor some of the folder-watch
missing assert on error
implement proper mongo pattern for file-processing
missed change in last commit
quiz should use one new mongo connection per request
replace wrong old mongo pattern with recommended one
fix all known bugs :

* new users having score null after first vote
* refreshing the quiz page made client questions out of sink with server
* navigating to link with user's name directly ( not via login ) would result in an error since missing session