Updating for the early access release
Fixing bad config key for unfinished chapters and removing length
Adding a total length
Adding the times for the different activities
Reorganizing some activity items and adding ch2 activities
Adding chp2 length
Update metadata.yml

Making a few updates to the course description. @weaverryan - can you add some more technical nuggets :)
Update activities.yml

Adding some extra instructions to the first activity of the PHP series
Update activities.yml

tweaking ch1 question 2
Update activities.yml
Update activities.yml
Adding activies for ch3
Fixing bad metadata
Making the activity grading compatability with an activity runner that uses Symfony 2.2 or Symfony 2.3