Stop using FileList to specify RSpec patterns

This was never meant to work.
Merge pull request #292 from troessner/fix-rspec-patterns

Stop using FileList to specify RSpec patterns
Add auto-generated RubuCop TODO list
Exclude samples from RuboCop analysis

This already fixes a great number of offenses
Auto-correct spacing offenses
Auto-correct trailing white space and blank lines
Auto-correct hash rockets