standardize logging on the 'logit' package used in Mesa
remove logit from godeps because it's name does not include github.com/igneous-systems (even though it 'should' according to go conventions)
readme updates
remove commented out logging lines
Merge pull request #37 from mcellis33/logging

Standardize logging on the 'logit' package used in Mesa. Note that logit must be manually cloned with git, since the package name is incompatible with Godep. This has been noted in the README.
whitespace
Added Step struct
.build in progress