Merge pull request #17 from zedd45/master

add support for component.io.
Fixed typo in project description
Added missing newline
Implemented animation end callbacks

Resolves #16
package.json: Updated gulp
package.json: Removed leaflet dependency

leaflet is not a *node.js* module...
package.json: Updated gulp plugins
Merge pull request #19 from Turbo87/dependencies

Updated Dependencies
Merge pull request #18 from Turbo87/callbacks

Implemented animation end callbacks
release v0.1.5
scss: Added SCSS file
scss: Added threshold and width variables
scss: Embedded .left and .right subclasses
scss: Embedded .leaflet-control subclasses
scss: Embedded media queries
scss: Embedded .close subclass
scss: Extracted widths() mixin
scss: Extracted box-sizing() mixin
scss: Extracted border-radius() mixin
gulp: Added sass task as lint:css dependency