Create GoogleSummerOfCode2014 page.
Additional project ideas from Alley Stoughton and John Reppy.
Add John Reppy as potential mentor.
Google+ linked website token.
Add John Reppy's Concurrent ML project description.
Add KC as potential mentor.
Merge pull request #49 from MatthewFluet/gsoc14-ideas

Create GoogleSummerOfCode2014 page.