Options for Reading List "Send to Device" and "To Read" lists. Fix config per

library.  Plugin specific example.ini.  Button to keyboard shortcut config.
More duplicate URL removal to avoid odd race conditions.

plugin-example.ini

@@ -0,0 +1,55 @@
+## This is an example of what your personal configuration might look
+## like.
+
+[defaults]
+## Some sites also require the user to confirm they are adult for
+## adult content.  In commandline version, this should go in your
+## personal.ini, not defaults.ini.
+#is_adult:true
+
+## Most common, I expect will be using this to save username/passwords
+## for different sites.
+[www.twilighted.net]
+#username:YourPenname
+#password:YourPassword
+
+[www.ficwad.com]
+#username:YourUsername
+#password:YourPassword
+
+[www.twiwrite.net]
+#username:YourName
+#password:yourpassword
+
+[www.adastrafanfic.com]
+## Some sites do not require a login, but do require the user to
+## confirm they are adult for adult content.
+#is_adult:true
+
+[www.thewriterscoffeeshop.com]
+#username:YourName
+#password:yourpassword
+#is_adult:true
+
+[www.fictionalley.org]
+#is_adult:true
+
+[www.harrypotterfanfiction.com]
+#is_adult:true
+
+[www.fimfiction.net]
+#is_adult:true
+
+[www.tthfanfic.org]
+#is_adult:true
+## tth is a little unusual--it doesn't require user/pass, but the site
+## keeps track of which chapters you've read and won't send another
+## update until it thinks you're up to date.  This way, on download,
+## it thinks you're up to date.
+#username:YourName
+#password:yourpassword
+
+
+## This section will override anything in the system defaults or other
+## sections here.
+[overrides]