Merge pull request #6 from fiveplusone/devel

Devel
Merge pull request #7 from fiveplusone/devel

Fixes #2
Merge pull request #8 from fiveplusone/devel

let users edit own comments; fixes #3
Merge pull request #9 from fiveplusone/devel

Devel
Merge pull request #11 from fiveplusone/devel

add a notice and timestamp when a user or admin edits a comment; fixes #5
add example files back in, but make sure they won't affect production apps
Merge pull request #12 from fiveplusone/master

Pull from master