Adding vocab for authenticity aspects
Adding authenticityAspect property
Addition of guidance policy elements.
added relatesToMediaType for media type image
Adding relation to media type
Vocabulary for representing authenticity aspects.
Adding properties for description of user community and organisation
Adding authenticity aspects, validity and links to guidance policy areas.
Merge branch 'changes_20130502' of https://github.com/openplanets/policies into changes_20130502
Removing out of date technical environment information
added asa_policies for illustration purposes, updated rdf html
updated policy example, added control policy scopes
Fixing minor issues in ASA policies
example moved to folder 'example'
Updating comments
Merge branch 'changes_20130502'

Conflicts:
	DP/doc/control-policy_modalities.html
	DP/doc/control-policy_qualifiers.html
	DP/doc/preservation-case_.html
	DP/doc/quality_attributes.html
	DP/doc/quality_categories.html
	DP/doc/quality_measures.html
	DP/doc/quality_scales.html