Stronger tests for predefined values
Docs: add intellij plugin to friendly packages

Closes gh-632
Fixed #628
Add new rules for object values

(disallow|require)SpaceBeforeObjectValues

Fixes #623
Closes gh-625
Add rule for parameter separation validation

Closes gh-349
Fixes #304
Docs: move validation rules to the bottom
Docs: move safeContextKeyword rule to the bottom