organizing redis driver
organizing mongo driver
organized level helpers ala mongo driver
fixed allQuestions property
linting install.js
secondary_database attempt
reverting attempt
Merge remote-tracking branch 'origin/master' into secondary_database

Conflicts:
	src/database/level/main.js
forgot to add levelQuestions here
got optional secondary_database questions working
moved installation defaults into install/data/defaults.json
linting
configure secondary db modules
hide secondary_database option behind "advanced" setup flag
don't attempt to initialize db until we attempt to initialize
moving db.close into the parent module
initialize / shutdown dbs simultaneously
install.js minor refactor - moved questions into their own modules; don't need to export installation questions
refactored out giant async.series
no need for comments detailing what a function does anymore