Modified lib/flapjack/configuration.rb to use .toml. Specs and features run green
preparing to remove FLAPJACK_ENV references
FLAPJACK_ENV left in test code, removed elsewhere (expect email.rb where it is required).
Merge remote-tracking branch 'flapjack/threading_and_sandstorm' into 346_switch_from_yaml_for_toml
update Ruby1.9 Gemfile.lock
Merge pull request #693 from ferrisoxide/346_switch_from_yaml_for_toml

#346 Switch from YAML for TOML