Updated the karma configuration
Updated the testing platform and the leaflet library, solved a problem with 3 tests
Merge branch 'dpiccone-master'

Conflicts:
	test/unit/directivesSpec.js

Merged the changes from the dpiccone repository:
https://github.com/tombatossals/angular-leaflet-directive/pull/106
Updated jshint options, removed .jshintrc and added the options to the Gruntfile.js
Linted some recommendations from jshint
Event tests now works, firing leaflet events more easily
added tests for all leaflet events