Update recipes to be rubocop compliant

- Add rubocop.yml in recipes/
- Add recipes rubocop test to Strainerfile
- Update recipes to comply with rubocop

Change-Id: I7129c11c769688812e412a49cf37d4935d984985
Addresses: blueprint rubocop-for-metering
Update specs to be rubocop compliant

- Add rubocop.yml in specs/
- Add spec rubocop test to Strainerfile
- Update specs to comply with rubocop

Change-Id: I7f2de5cd4bd9307485ec7db134f31f5415c84131
Addresses: blueprint rubocop-for-metering
Remove Berksfile.lock from dev branches

blueprint remove-berksfile-lock-from-dev-branches

Change-Id: I4267994ade81fe45dae52c1476d555e19f91705c