Sanitize fol_template and update to Leaflet.js 0.7
Sanitize geojson_template and update to 0.7
Merge pull request #16 from jmduke/master

Clean templates and update leaflet.js to 0.7
Add support for lines

Adds map.line() to specify lines of lat/lng to put directly on the map.
Includes styling options for color, weight, and opacity.
Fix a docstring.

Fix to line description from marker.
Add lines to geojson template.
Add simple example demonstrating line()