cleanup of features and update site

Signed-off-by: Florian Thienel <florian@thienel.org>
diff --git a/org.eclipse.vex.repository/site.xml b/org.eclipse.vex.repository/site.xml
index cdc910e..9d30eee 100644
--- a/org.eclipse.vex.repository/site.xml
+++ b/org.eclipse.vex.repository/site.xml
@@ -1,19 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>

 <site>

+   <description>

+      Visual Editor for XML (Incubating)

+   </description>

    <feature url="features/org.eclipse.vex.feature_1.0.0.qualifier.jar" id="org.eclipse.vex.feature" version="1.0.0.qualifier">

       <category name="vex_core"/>

    </feature>

    <feature url="features/org.eclipse.vex.sdk.feature_1.0.0.qualifier.jar" id="org.eclipse.vex.sdk.feature" version="1.0.0.qualifier">

       <category name="vex_sdk"/>

    </feature>

-   <category-def name="vex_core" label="Vex Core">

+   <category-def name="vex_core" label="Visual Editor for XML (Incubating)">

       <description>

-         Vex Core Plugins.  Contains the core functionality as well as built in support for DocBook and DITA.

+         The Vex XML editor for document-style XML documents, including support for XHTML, DocBook and DITA.

       </description>

    </category-def>

-   <category-def name="vex_sdk" label="Vex SDK Source">

+   <category-def name="vex_sdk" label="Vex SDK (Incubating)">

       <description>

-         SDK Feature that contains source bundles that can be installed.

+         The Vex SDK contains all source bundles of the Visual Editor for XML.

       </description>

    </category-def>

 </site>