[Canonical] Add comments
CryptoNetwork.com
[Debian] Update/amend comments
[Debian] Cosmetics
[Doubleclick.net] Add comment
[FeedBurner] Update comments
Geek Tech Labs.com
[Google APIs] Add comment
iTactic.com
[Liftdna.com] Explicit atoms

Smaller and commented exclusions are just as readable.
OODA.com
pheedcontent.com
[Popular Mechanics] Explicit atoms

Smaller and commented exclusions are just as readable.
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[Ubuntu] Add/update/amend comments
[Ubuntu] Cosmetics
Why process the same rulset more than once?
Don't double count *.example.com
Add var to all of these loop variables

Some of them are declared earlier in their functions, but a couple weren't, which
may have been a (partial) cause of

https://trac.torproject.org/projects/tor/ticket/9507
https://trac.torproject.org/projects/tor/ticket/9505
Why process the same rulset more than once?