Added missing extension points and moved IPropertiesProvider to
extensions so it gets exported.
ExportFileWizard completed
Added XMLExporter for KeyValueResults and fixed
KVRContents.getAsPlaintext to remove trailing commas.
Extended DataEditorManager to support editors supplied by plugins.
Potential fix for plugin class creation.
Fixed the filter on "feature" and "feature.groups". Filter now applies
to the array list of installable units instead of the array list of
displayed strings in the Install Wizard.

Conflicts:
	src/LinGUIne/utilities/InstallUtils.java
	src/LinGUIne/wizards/InstallWizardPage.java
Fixed attribute name used for loading analysis extensions.
Activator stopped getting called which was bombing Class parsing at
startup. Reverted to old broken Class parsing for now.
Export Annotation support and an XML exporter.
Added basic word count properties for TextDataEditor
Fixed the filter on "feature" and "feature.groups". Filter now applies
to the array list of installable units instead of the array list of
displayed strings in the Install Wizard.

Conflicts:
	src/LinGUIne/wizards/InstallWizardPage.java