Added more things to participant page
* GitHub Badge
* Biography Text
* Twitter feed
Added coderwall 'chevo list to participant page
Bio header should only appear if the user has a bio
Updated loothelion.yaml
Move a level of nesting from all student yaml
Updated site.py and participants.py to use new YAML format
Merge branch 'feature/participant_page' into hwListYAML

Conflicts:
	scripts/people/2014/spring/loothelion.yaml
Updated YAMLS to use a list for all homework/blogposts
Updated participants listing to only show red assignments for students
who are in the current term of HFOSS

Legacy students will have all of their assignments listed
Merge pull request #422 from liam-middlebrook/fixYaml

Updated site.py and participants.py to use new YAML format
Merge pull request #423 from liam-middlebrook/hwListYAML

YAML HW List
Merge pull request #421 from decause/fixYaml

Move a level of nesting from all student yaml