Added stub file for triangle component
Added basic implementation of trianglepath component.
Removing duplicate triangle.js
Updated custom attributes with new use cases for triangle component
Implemented rounded corners in triangle component
Re-organised generic purpose functions to be library functions
Improved code for computation of point at length
Made corrections suggested in pull request review, including fixing jslint errors and removing blank functions
Changed generic variable name _args to _trianglePathAttr
Merge pull request #19 from Supreetpal/feature/triangle-component

feature/triangle component