Changes from GDG Space Coast Angular Code Lab.

Events page updates: 
Create clickable links from URLs and hash tags in events. 
Clicking boomerang goes to developers.google.com and clicking event header goes to Google+ event. 
Sort upcoming events in the correct order. 
Handle HTML elements like <br>s in the text from developers.google.com listing.

I'd really like to clean this up somehow to get rid of things like the IntelliJ and GDG Space Coast specific stuff from the merge, but I just don't know how to do that in GitHub.

Hopefully you merge this without issues, but if that isn't possible, please let me know how to configure things to work for you. Perhaps Cherry picking would work best, but that's another feature of Git that I haven't mastered yet.