Merge pull request #1 from gdiboulder/master

Fixing URLs for PDF Files
Pushing changes for URLs
Initial commit of the new gdi boulder news blog
Updating url
Removing news folder.
updating slide submodules
Updating submodules
updated urls for slides - Cojo is not so good at the copy and paste
updated urls for slides - Cojo is not so good at the copy and paste
updating servers slides. adding programming slides
removing programming
adding programming index
updating submodules
Adding links to all the classes
Adding properites workshop
Adding command line materials.
Adding github slides:
Basic site styling; popup modals for resource links
Removed modal popups and related jquery