Fix for instruction echos

Replaced instances of 'lamassu-install-bitcoind' with 'lamassu-bitcoind-install'.
Merge pull request #16 from naconner/patch-1

Fix for instruction echos
added lamassu-update-config
Merge branch 'master' of github.com:lamassu/lamassu-scripts
Merge branch 'master' into migrations
migrations are working