Fixed trygit link

trygit.com is, at time of prposal, non functioning. I think try.github.io might be the intended link target
Merge pull request #6 from silshack/gh-pages

update to master
Merge pull request #7 from silshack/gh-pages

merge to master
extra credit draft 1
extra credit
Merge pull request #8 from gerbal/patch-1

Patch 1
Update 2013-09-25-Grant-extracredit.md
Rename _includes/gerbal/extra1.py to _posts/gerbal/extra1.py
Rename _posts/gerbal/extra1.py to _site/gerbal/extra1.py
Update 2013-09-25-Grant-extracredit.md
Update 2013-09-25-Grant-extracredit.md
Rename _site/gerbal/extra1.py to files/gerbal/extra1.py
link the code now works
testing jekyll
links to sourcecode now work
Merge pull request #10 from silshack/gh-pages

update to master
Merge branch 'patch-1' of https://github.com/gerbal/fall2013 into patch-1
Merge pull request #321 from gerbal/patch-1

Grant's extra credit