Added the possibilite to set/unset visible the layer
Mantain the layer index when the layer properties changes
new markers design with custom elements inside the openlayers element
updated center attribute example
Replaced mentions of 'leaflet' with 'openlayers'. (or 'ol' as appropriate)
Adding the label functionality
label shows ok now
Merge pull request #22 from whitelynx/master

Replaced mentions of 'leaflet' with 'openlayers'
Merge branch 'markers'

Conflicts:
	dist/angular-openlayers-directive.min.js
Added new marker examples
markers
Added dynamic properties to the markers, and an example
Added a link to the new example
Solved a bug on the zoom constrain example
Render HTML inside markers
Added new example
updated example
build
merge upstream