Merge pull request #2 from Glavin001/patch-2

Fixed link in 10-Concurrency-Intro/README.md
Merge pull request #3 from Glavin001/patch-3

Remove incorrect spaces in code.
Added basic instructions for homeworks
Merge branch 'master' of https://github.com/smuos/lectures
Add period to clarify sentence with gh rendering
Merge pull request #4 from Frozenfire92/patch-1

Add period to clarify sentence with gh rendering
Merge branch 'master' of github.com:smuos/lectures