Site Icon: Whitespace tweaks.  Trivial.
Typos in comments.
Brackets around conditionals.
We're referring to it as Site Icon, not Blavatar.
Rearranging parentheses for clarity.
PHPDoc Tweaks
Whitespace
No reason not to return a result.
Huh, how'd this get there.  Fixing.
Using single quotes instead of double quotes

for translated strings.