generate test-kitchen files to the appropriate destination

always generate a Thorfile even if foodcritic and scmversion are not wanted
update to test-kitchen 1.0.0.apha7
pipe the skip-test-kitchen option through to the CLI
don't pass berkshelf init options to kitchen init generator
don't need to install the berkshelf when generating a Vagrantfile anymore
test --skip-test-kitchen flag in cookbook command feature
fix test kitchen generation
disable testing skip_git option for cookbook command until

test kitchen init generator supports skip git flag
https://github.com/opscode/test-kitchen/issues/141
Merge pull request #603 from RiotGames/fix-generator

Berks cookbook misplaces files