fixed issue #30 - added minimum_churn_count option to churn generator
moved @options to Generator class, removed spaces
Merge pull request #37 from mstark/issue-33

fixed https://github.com/metricfu/metric_fu/issues/33
BF properly format the executable
BF refactor churn generator
BF allow debug output of shelled out commands
BF properly format the executable
BF actually instantiate metric generators with their configuration
Merge branch 'refactor'
BF Merge branch 'master' into modularize

Conflicts:
	lib/metrics/churn/churn.rb
	spec/generators/churn_spec.rb