Don't specify protocol in Disqus script tag src

Allows Disqus to load in http and secure https environments
add ability to markup validator description
Fixes #7284 - BooleanValidator set expected_type as boolean
Merge pull request #286 from dustint-rh/bool_type_validator

Fixes #7284 - BooleanValidator set expected_type as boolean
Merge pull request #285 from chrise86/master

Don't specify protocol in Disqus script tag src
Merge pull request #282 from exAspArk/format_validation_desc

Add ability to markup validator description