added latest generated json schema for camel model; has extends and marshal data formats now
support schema inheritence for json schema so we can infer parent type properties re #223
Bit 'o restyling on the OSGi list page, fixes #224
Do a little less OSGi manifest parsing

Parsing is now not done on the initialization of the OSGi bundle datastructures but only when it is actually being displayed on the screen.
Decorate imported packages with metadata from manifest headers. Fixes #196

This applies to the packages in the single bundle view.
The actual imported version is displayed along with additional metadata from the manifest.
Currently I'm using badges with the named-color scheme that goes with that. That can be changed though. Colours are used to differentiate between optional and required imports.
A required import shows as blue.
An optional import that is satisfied shows as grey.
An optional import that is not satisfied shows as orange.