Bug-Debian: http://bugs.debian.org/634667 
Bug-Debian: http://bugs.debian.org/639601
Bug-Debian: http://bugs.debian.org/645117
Bug-Debian: http://bugs.debian.org/652981 

Tested to work with versions 6, 7, 8, 9 and 10.0~b1.

Apparently, future versions of firefox will essentially default to supporting 
any maxVersion, so claim support for all future versions.

Set compatibility with all future versions, which mimicks the behavior of 
firefox versions 10+. Tested with iceweasel 9.0 and 10.0~b1.

--- a/plugin/install.rdf
+++ b/plugin/install.rdf
@@ -15,7 +15,7 @@
 			<Description>
 				<em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
 				<em:minVersion>3.0</em:minVersion>
-				<em:maxVersion>5.*</em:maxVersion>
+				<em:maxVersion>*</em:maxVersion>
 			</Description>
 		</em:targetApplication>
 
