fix(example.js): remove test code from example
chore(model.js): on/off listener passed outside of opts obj
chore(on.md off.md): Add docs for model#on/#off
Merge pull request #55 from goinstant/colinmacdonald/deprecated-listeners

chore(model.js): #on/#off listener passed outside of opts obj
cr comments
Merge pull request #56 from goinstant/colinmacdonald/docs

Add docs for model#on/#off
Merge remote-tracking branch 'origin/develop' into mattcreager/query

Conflicts:
	examples/index.html
	examples/js/example.js