Merge pull request #6 from davidraleigh/master

Added sql file to create tables
Squash commits DB utils for pull request: (feat) getGeoJSONFromGid, getGidFromParcelID, setParcelRestriction, addLandOwner, addParcelToOwner, addDrone, initDronePos
Squash commits, (feat) basic db utility queries
(cleanup) removed pg, uses only knex now
(cleanup) add /db/config.js to gitignore
(cleanup) removed some extra utilities
(cleanup) changed utility query names
(cleanup) fix module.exports names
(doc) add explanation on how to use utility queries
Merge pull request #8 from ArthurKChan/cleanup_utils

Cleanup utils
added node chai testing
updated Drone Pass Control.sql (still not complete)