1.0.0-RC6

Major Changes

• BREAKING CHANGE: Change to group id com.expediagroup (#326) @smyrick

Patch Changes

• Fix nested federation (#316) @smyrick
• Directives on constructor args with no prefix (#320) @smyrick
• Fix bugs with generating arguments (#319) @smyrick
• Copyright header (#332) @smyrick
• Update contributors to generic EG (#333) @smyrick
• add more test coverage for federation (#327) @smyrick

Non-version Changes

• Create CODE_OF_CONDUCT.md (#330) @smyrick
• Federation example (#315) @smyrick
• build: 1.0.0-RC6-SNAPSHOT (Travis Build 948) (#312) @smyrick
• Update badges (#311) @smyrick
• Remove all other references to ExpediaDotCom (#324) @smyrick
• Update .travis.yml (#323) @gscheibel
• Update repo refs after the change of organization (#322) @gscheibel