#70 simplified CascadingConfigurator
removed Load and Unload
moved ensure loading to Configurator
moved Loading overloads to extensions
added implicit creation of an explicit addition configurator
#70 added ConfigRScriptHost
#70 refactored CascadingConfigurator.Add()
#70 fixed anonymous value adding and updated all tests and samples
#70 added feature test
#70 removed addition from Configurator and CascadingConfigurator
(edge case in-app addition can be done with a BasicConfigurator(
#70 code analysis
Merge pull request #83 from adamralph/70

added support for isolated config files