Added escape function for image paths
Corrected failing tests
Moved to escaped_image for LESS. Turns out still need quotes or LESS freaks out
Added malicious URL to test against
Adjusted escape function to properly escape all characters
Corrected all failing tests
Corrected failing Stylus test
Updated SASS and SCSS to escaped image as well
Release 3.1.0
Release 3.1.1
Merge branch 'master' into dev/output.total.size

Conflicts:
	lib/templates/less.template.mustache
	lib/templates/sass.template.mustache
	lib/templates/scss.template.mustache
	lib/templates/stylus.template.mustache