Merge pull request #1 from cedubya/master

fixed the verbatim stanza under the kernel tuning section
add another section just for testing
Merge pull request #2 from cedubya/master

stuff
remove section
Merge branch 'master' of github.com:cewatson/cheat-sheet
added git commonly used commands
Merge pull request #3 from cedubya/master

confuzzled
Merge pull request #1 from cewatson/master

hmmmm