Added priority attribute to form extension point.

org.adempiere.ui.swing/schema/org.adempiere.apps.Form.exsd

@@ -59,6 +59,13 @@
                </appinfo>
             </annotation>
          </attribute>
+         <attribute name="priority" type="string">
+            <annotation>
+               <documentation>
+                  numeric priority value, higher value is of higher priority
+               </documentation>
+            </annotation>
+         </attribute>
       </complexType>
    </element>
 
@@ -120,7 +127,6 @@ AD_Form.ClassName=&quot;org.adempiere.extend.myForm&quot;
  You should have received a copy of the GNU General Public License along   
  with this program; if not, write to the Free Software Foundation, Inc.,   
  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
-
       </documentation>
    </annotation>