update TODO
create new library functions in easy-ble.js to retrieve known and connected devices data
various changes to app.js:
	- functionality to write data to supermaster over port 8080
	- changes to getListings() function: now sends service and characteristic data over to supermaster
	- put in accelerometer notification stuff (from EvoThings example)
changes to server.js: add functionality to write data to different files in supermaster
GITIGNORE: all data files
modify TODO
get app.js ready for modification Tuesday 5/27
change title of project in index.html