centralize TypeToken creation
Merge pull request #56 from jclouds/centralize-typetoken

centralize TypeToken creation
changes related to centralizing construction of invokables
Merge pull request #57 from jclouds/centralize-invokable

changes related to centralizing construction of invokables
Removed all compile warnings and applied formatting to all classes
Merge pull request #58 from nacx/compile-warnings-chef

Removed all compile warnings and applied formatting to all classes
Issue #54: Allow to override attributes in node bootstrap