Merge branch 'dev' of github.com:switchonproject/cids-custom-switchon into dev
completed the Meta-Data Editor Mockup
created Tag and Tag Group Editor
#10 separated mockup files
#10 added representation editor
#10 added the Relationship Editor
#10 updated Basic Resource Editor
#10 completed the Resource Editor
#14 created empty resource renderer gui
#14 created the description tab
#14 created FastBindableReferenceComboFactory
#14 created ContactEditor
#14 created CustomListCellRenderer and RendererTools
 #14 Created ContactRenderer and added hyperlinks to ContactEditor to open E-Mails and URLs
 #14 modified getTitle() in ContactEditor
 #14 added the contact tab to ResourceRenderer

Inserted an instance of ContactRenderer into ResourceRenderer.
 #14 created class ResourceUtils

added a static method to filter tags with a certain taggroup of a resource bean
 #14 changed the method ResourceRenderer.generateListWithKeywords()

the method uses now the method filterTagsOfResource() such that only
Keywords appear in the list
 #14 created helper classes for the preview map
 #14 created a first version of GeographicInformationPanel