Merge pull request #13 from joelbyler/master

Adding my ruby version of the minesweeper challenge
Merge pull request #15 from joelbyler/master

Restructuring of project to organize assignments in monthly folders
Update README.md

Updated the Readme.md for the updated instructions for submitting samples.
Update README.md

Updated Roman Numerals Challenge link
Cleaned up the README.md files
Initial C# commit

Initial C# Commit
Added some solutions and place holders in other languages
update markdown