Revision 829261

FELIX-1800: Multiple related fixes:
  - list all configurations in the drop down, even such without metatype information
  - prevent NullPointerException rendering configuration binding information if
    no bundle with the bound location is installed
  - properly attach the generic configuration property entry to the parent element
  - ask all bundles for metatype information of a configuration if no bundle
    is installed whose bundle location equals the configuration binding