Indicate ringojs frameworks require Java

frameworks/JavaScript/ringojs-convenient/install.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-fw_depends ringojs
+fw_depends java ringojs

frameworks/JavaScript/ringojs/install.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-fw_depends ringojs
+fw_depends java ringojs