Change gif to css

The gif version of the construction man is inefficient. This pull request removes it and in its place adds ~600 lines of css code and an additional javascript requirement.
Fix index @title

The original @title was still set to the dynamo default. It is now update to reflect the actual page title. 100% more elixir and dallas.
Merge pull request #2 from clang1234/patch-2

Fix index @title
Merge pull request #1 from clang1234/patch-1

Change gif to css
Add mailing list link and update plancast link.