begin work on rubocop style fixes
remove rubocop exclusions
rubocop style fix: array alignment
rubocop style: align hashes
rubocop style: align parameters
rubocop style: ambiguous regexp literals
rubocop style: block alignment
rubocop style: blocks
rubocop style: unnecessary braces
rubocop style: preferred methods
rubocop style fix: method invocation
rubocop style: replace deprecated hash methods
rubocop style: blank lines, comments, a few other things
rubocop style: remove empty parentheses on methods with no args
rubocop style: if not -> unless
rubocop style: add spaces inside hashes
rubocop style: unnecessary trailling commas
rubocop style: remove spaces in parens
remove dead code
more rubocop style fixes (basic attrs, more spacing, etc)