Merge pull request #26 from travist/sid-44213729

[#44213729] Adding an easy system for our customers to embed our registration system.
Merge pull request #27 from travist/sid-44213729

[SPRINTFIX][#44213729] Fixed a reverse compatibility issue with the registration embed.
[#44213729] Changing how the iframe is resized when a change is made to the DOM.