Fix gem depedency issues in edge deployer
Merge pull request #73 from rkoster/edge-deployer

Fix gem depedency issues in edge deployer
bosh_deployer gem depends on others; install last
bosh_deployer is not a dependency; merely used on inception VM
flattening for prettiness
when determining stemcell; show available
Ignore :settings/symbol keys for embedded env variables
install bosh-cloudfoundry plugin for BOSH