ValidateIndentation: Relax indentation rules for function expressions.

Fixes #588
Fixes #387
ValidateIndentation: remove array and object indentation validation

Fixes #627
Refs #545
Docs: Contributing - more project and process details

Closes gh-643
Fixes #642
validateJSDoc: Deprecate rule

Closes gh-638
Fixes #59
disallowMultipleVarDecl: Strict mode to disallow for statement exception

Closes gh-637
Fixes #46