Adds map to next event
* Added future events heading to clearly separate latest event from the
rest
* Dynamically populate venue name
* Link to founders hub if venue matches, else link to meetup url
Merge pull request #96 from jenkoian/maps-n-stuff

Adds map to next event
Based on my experience with jekyll, the documentation in README.md was incorrect, so I updated it to match my experience.
Merge pull request #97 from yegnold/master

Updated jekyll help in readme.md