Add a contributing guide
Basic coding style with jshint
Fix the coding style
Minor refactor for presence_api_test
JsHint: remove warning for expression only assertions
Makefile: run jshint when running tests
CONTRIBUTING: add a link to bugzilla
CONTRIBUTING: add a testing policy section
Coding Style: use === and !== by default
Merge branch 'coding-style' of git://github.com/tOkeshu/talkilla into tOkeshu-coding-style

Conflicts:
	test/presence_api_test.js
Fix issues found by jshint
Fix issues found by jshint
Clarify test message
Better fix for quieting jshint warnings
Switch newly merged tests to use the signin function rather than posting by hand