Removing a useless use of grep

awk can do the same for simple invocations of grep using Posix regular expressions.
Merge pull request #5 from SEJeff/patch-2

Removing a useless use of grep
0.3.1 and bootstrap expect
Merge branch 'master' of https://github.com/progrium/docker-consul into new
override bootstrap expect with env
updated readme for simpler, updated auto-bootstrap process
minor edit