bosh_cli requires Ruby (>=) 1.9.3, which comes with RubyGems, so mention Ruby version and remove RubyGems
moved Spiff prerequisite to top, included suggestion to upload release within VM if on Windows to avoid having to build Spiff on Windows, moved provision_cf script up as it performs stemcell upload too
Merge pull request #153 from dkoper/simplify-steps

Simplify steps