Added link to XNA for Visual Studio 2013
Update .gitignore
Add Chris Ballard
Update foundation.md
Added link to F# events. Moved groups to c4fsharp
Merge pull request #253 from ReedCopsey/eventsandgroups

Added links to events and user groups
Added f# lint project
Update index.md
Update index.md

Add link to training from F# for You
Merge pull request #257 from kevinbuell/patch-1

Update index.md
update small error in example for fib function for Async.parallel
Merge pull request #254 from deneuxj/gh-pages

Added link to XNA for Visual Studio 2013
Merge pull request #255 from duckmatt/patch-1

Added f# lint project
Merge pull request #256 from codingday/patch-1

Update index.md with cross platform development
trial better mobile layout for testimonials
retry fix for permalinks
fixes for permalinks
fix divs in testimonials
Adding more features from the power tools
Remove the double indentation of the F# tools