whitespace
`s/ReadAttribute/ReadWriteAttribute/g`
Clarify intent
Use new style globbing in default config
enable passing specs
Use the block form of `#pending`

This will make the spec fail if the condition passes.
New Rails cop `Delegate` - checks for delegations

Prefer delegate method for delegations
Merge pull request #1012 from geniou/delegate

New Rails cop `Delegate` - checks for delegations
Merge pull request #1021 from tamird/fix-deprecation-warnings

Use new style globbing in default config
Bump Parser dep to 2.1.9
Remove Parser fallback code

Parser 2.1.9 features similar fallback code, so ours is redundant.