add markers icon binding
add png files for marker-icon example
inject $compile and $rootScope in beforeEach
add test case for marker icon binding
bump version
remove unused argument in buildMarker function
refactor createMarker function so it can be used for main marker
add back main marker
Merge branch 'master' of github.com:tombatossals/angular-leaflet-directive into houqp-master

Conflicts:
	dist/angular-leaflet-directive.min.js
add test case for main marker
bump version
Merge pull request #72 from houqp/houqp-master

add markers icon binding