Added delete state to step defination
Fixed up some formatting issues
FIX: need to upper-case each word, not just first word

Thanks to @jthomerson
See https://github.com/silverstripe-labs/silverstripe-behat-extension/pull/5
Merge pull request #10 from srizzling/is620

Added delete state to step defination
Relative date/time format support

Thanks to @srizzling for getting this started in
https://github.com/silverstripe/silverstripe-cms/pull/896
New step: "record last edited at relative date"

Thanks to @srizzling for getting this started in
https://github.com/silverstripe/silverstripe-cms/pull/896
Fixed Behat+SS coding conventions