Merge pull request #56 from codingtag/master

#41 - Get with no parameter and Add with auto generated GUID key.
#41 added GetOrDefault<T>() and TryGet<T>()
refactored Get<T>()
moved scenarios to AnonymousValuesFeature
Merge pull request #57 from adamralph/41

#41 added GetOrDefault<T>() and TryGet<T>()
#41 added missing overloads to Configurator and ConfiguratorExtensions
Merge pull request #58 from adamralph/41

#41 added missing overloads to Configurator and ConfiguratorExtensions
#50 updated version and release notes
Merge pull request #59 from adamralph/50

#50 updated version and release notes
#50 cleared release notes and beta version
Merge pull request #60 from adamralph/50

#50 cleared release notes and beta version
Using ExceptionDispatchInfo instead of ExceptionExtensions
Merge pull request #62 from danielmarbach/ExceptionDispatchInfo

Using ExceptionDispatchInfo instead of ExceptionExtensions
Merge remote-tracking branch 'upstream/master'