maxVersion bump to 7.0a2

install.rdf

@@ -5,7 +5,7 @@
   <RDF:Description RDF:about="rdf:#$QJqvE"
                    em:id="{ec8030f7-c20a-464f-9b0e-13a3a9e97384}"
                    em:minVersion="3.0"
-                   em:maxVersion="4.0b8pre"/>
+                   em:maxVersion="7.0a2"/>
   <RDF:Description RDF:about="urn:mozilla:install-manifest"
                    em:id="{667e9f3d-0096-4d2b-b171-9a96afbabe20}"
                    em:version="1.2.3"