Updated 2.2 to 2.4 guide to properly reflect permissions instructions.
Merge pull request #45 from jstewart/apacheupgrade

Updated 2.2 to 2.4 guide to properly reflect permissions instructions.
Edits to remove erronious references to public directory, fixed paths.
Merge pull request #46 from jstewart/hostingawebsitefix

Edits to remove erronious references to public directory, fixed paths.