Merge pull request #2 from badgettr/master

Added subgroup analysis and a second meta-regression

This is a demonstration of using a pull request to merge someone else's work back to the main project.
Allowed cofactor to be a non-numeric label. Fixed legend placement in meta-regression.
Update of Forest plot displayed on main page.

Now showing subgroup analysis.
Update of index page
Merge pull request #1 from badgettrg/master

Update