The error:

Failed to power up a compute vmware (VMWare) instance <FQDN>: GenericVmConfigFault: The configuration file does not specify a guest operating system. Select a guest operating system from the General page on the Options tab of Virtual Machine Settings.

Using git develop branch with Gems included by the bundle:

• actionmailer (3.2.15)
• actionpack (3.2.15)
• activemodel (3.2.15)
• activerecord (3.2.15)
• activeresource (3.2.15)
• activesupport (3.2.15)
• addressable (2.3.5)
• ancestry (2.0.0)
• apipie-rails (0.0.24)
• arel (3.0.2)
• audited (3.0.0)
• audited-activerecord (3.0.0)
• autoparse (0.3.3)
• awesome_print (1.2.0)
• builder (3.0.4)
• bundler (1.3.5)
• capybara (2.0.3)
• childprocess (0.3.9)
• ci_reporter (1.9.0)
• coderay (1.0.9)
• coffee-rails (3.2.2)
• coffee-script (2.2.0)
• coffee-script-source (1.6.3)
• database_cleaner (0.9.1)
• erubis (2.7.0)
• excon (0.28.0)
• execjs (2.0.2)
• extlib (0.9.16)
• facter (1.7.3)
• factory_girl (2.6.4)
• factory_girl_rails (1.7.0)
• faraday (0.8.8)
• fast_gettext (0.8.0)
• ffi (1.9.3)
• flot-rails (0.0.3)
• fog (1.18.0)
• foreigner (1.4.2)
• formatador (0.2.4)
• gettext (2.3.9)
• gettext_i18n_rails (0.10.1)
• gettext_i18n_rails_js (0.0.8)
• google-api-client (0.6.4)
• hike (1.2.3)
• hirb (0.7.1)
• hirb-unicode (0.0.5)
• i18n (0.6.5)
• i18n_data (0.4.0)
• immigrant (0.1.5)
• journey (1.0.4)
• jquery-rails (2.0.3)
• jquery-ui-rails (4.1.0)
• json (1.8.1)
• jwt (0.1.8)
• launchy (2.3.0)
• libv8 (3.11.8.17)
• locale (2.0.9)
• mail (2.5.4)
• maruku (0.7.0)
• metaclass (0.0.1)
• method_source (0.8.2)
• mime-types (1.25)
• mini_portile (0.5.2)
• minitest (4.7.5)
• minitest-spec-rails (4.7.5)
• mocha (0.14.0)
• multi_json (1.8.2)
• multipart-post (1.2.0)
• mysql (2.9.1)
• mysql2 (0.3.14)
• net-ldap (0.3.1)
• net-scp (1.1.2)
• net-ssh (2.7.0)
• nokogiri (1.6.0)
• oauth (0.4.7)
• paint (0.8.6)
• pg (0.17.0)
• po_to_json (0.0.7)
• polyglot (0.3.3)
• pry (0.9.12.2)
• quiet_assets (1.0.2)
• rabl (0.9.0)
• rack (1.4.5)
• rack-cache (1.2)
• rack-openid (1.4.0)
• rack-ssl (1.3.3)
• rack-test (0.6.2)
• rails (3.2.15)
• railties (3.2.15)
• rake (10.1.0)
• rbovirt (0.0.21)
• rbvmomi (1.6.0)
• rdoc (3.12.2)
• ref (1.0.5)
• rest-client (1.6.7)
• ruby-hmac (0.4.0)
• ruby-libvirt (0.4.0)
• ruby-openid (2.3.0)
• ruby2ruby (2.0.1)
• ruby_parser (3.0.4)
• rubyzip (0.9.9)
• safemode (1.2.0)
• sass (3.2.12)
• sass-rails (3.2.6)
• scoped_search (2.6.0)
• selenium-webdriver (2.35.1)
• sexp_processor (4.4.0)
• signet (0.4.5)
• simplecov (0.7.1)
• simplecov-html (0.7.1)
• single_test (0.6.0)
• slop (3.4.6)
• spice-html5-rails (0.0.1)
• spork (0.9.2)
• spork-minitest (0.0.3)
• sprockets (2.2.2)
• sqlite3 (1.3.8)
• sshkey (1.6.0)
• term-ansicolor (1.2.2)
• text (1.2.3)
• therubyracer (0.11.3)
• thor (0.18.1)
• tilt (1.4.1)
• tins (0.12.0)
• treetop (1.4.15)
• trollop (2.0)
• twitter-bootstrap-rails (2.2.6)
• tzinfo (0.3.38)
• uglifier (2.3.0)
• unf (0.1.3)
• unf_ext (0.0.6)
• unicode-display_width (0.1.1)
• uuidtools (2.1.4)
• websocket (1.0.7)
• will_paginate (3.0.5)
• wirb (1.0.2)
• xpath (1.0.0)