Way overdue checkin.
Fixing README.
Mostly whitespace, but also quite a bit around authorizer and making JSON parsing work again.
Slight change to the README file
Reinstating component_id and component_manager
Trying to get the XMLRPC interface working again with Omni. But just learned that Donatos has done that laready and I better merge back his code - if we can still do that.
Updated README
Various small improvements.
Removed some spurious debugging messages
A few more exceptions and support for JSON parsing
Some whitespace issues
Merged the last 2 commits

Merge remote-tracking branch 'max/master'

Conflicts:
	README.md
	lib/omf-sfa/am/am-rest/rest_handler.rb
	lib/omf-sfa/am/am-rpc/am_rpc_service.rb
	lib/omf-sfa/am/am_manager.rb
	lib/omf-sfa/am/am_server.rb
	lib/omf-sfa/resource/gurn.rb
	lib/omf-sfa/resource/node.rb
	lib/omf-sfa/resource/ocomponent.rb
	lib/omf-sfa/resource/olease.rb
	lib/omf-sfa/resource/oproperty.rb
	lib/omf-sfa/resource/oresource.rb
	lib/omf-sfa/resource/sfa_base.rb