#433 - Sale price should never override a lower retail price
#435 - Ensure Thymeleaf configuration loads exclusively via XML
#424 - Add documentation around configuring the proto header channel processors for Spring Security and deprecate the post-processor designed to use them
Merge branch 'BroadleafCommerce-3.0.x' into develop
Merge branch 'develop' into feature-sitemaps

# By Andre Azzolini (2) and Phillip Verheyden (1)
# Via Phillip Verheyden
* develop:
  #424 - Add documentation around configuring the proto header channel processors for Spring Security and deprecate the post-processor designed to use them
  #435 - Ensure Thymeleaf configuration loads exclusively via XML
  #433 - Sale price should never override a lower retail price