KARAF-7639 Correct feature dependencies and documentation.

[paulsp]

• Use Jackson features instead of individual bundles
• Add feature dependencies dependences for clients that can be use with remote providers, i.e. CXF and http.
• Correct the schemaLocation attribute
• Add missing feature and bundle dependencies
• Remove unneeded servicemix bundle dependencies
• Remove HTTP prerequisites as they are installed by the features
• Add Whiteboard documentation