Release new version 2.13

+2.13: Added the ability to exclude / disable filter list entries (#241)
+      Fixed an issue with a missing click handler on the popup menu (#359)
+      Remove confusing message on popup menu (#360)
+      Fixed an Javascript error on the background page in Safari when several tabs
+      are closed while still being renderred. (#357)
+      Added a user message that is displayed when the white list and black list
+      wizard can't run on older sites with framesets. (#352)
+      Added a 'reload page' option to the white list wizard. (#349)
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