Allow override of DotLiquid naming conventions
Forgot DotLiquid ApplicationRegistration class
Document `DotLiquidApplicationRegistrations`
Document new parameters in `DotLiquidViewEngine`
Oops! Forgot the constructor.
Code review fixes

Thanks to @thecodejunkie
Merge pull request #1145 from jugglingnutcase/override-dl-naming-conventions

Allow override of DotLiquid naming conventions