Overwrite or do not allow saving duplicate rules

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Currently if the user does not manually restart after saving a rule, they can 
open a new tab and browse to the same site, and keep saving rules until they 
restart.

We should be overwriting old rules rather than appending, where we get 
"google.xml, google-1.xml, google-2.xml".

A proposed solution to this is saving a session list of hostnames that have had 
rules written (it will be emptied at each firefox restart).  When writing a 
rule, if the hostname already exists in that array, instead of prompting to "Go 
HTTPS/Save rule", prompt the user to restart the application (we can do this 
automatically with Application.restart()).

Original issue reported on code.google.com by jacobsK...@gmail.com on 13 Apr 2011 at 4:40

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Original comment by jacobsK...@gmail.com on 13 Apr 2011 at 4:57

• Added labels: Priority-High
• Removed labels: Priority-Medium

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Fixed in version 0.45 - Will close issue after next release.

Original comment by jacobsK...@gmail.com on 14 Apr 2011 at 1:46

• Changed state: Started

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Original comment by jacobsK...@gmail.com on 16 Apr 2011 at 12:20

• Changed state: Started

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Fixed and released in 0.50

Original comment by jacobsK...@gmail.com on 23 Apr 2011 at 6:12

• Changed state: Verified