Fix old comments
Code cleanup: make easier to debug.

* Split variable assignment.
* Always use multi-line blocks.
* Always use block form of `if`.
Use bind instead of apply in logger
Remove QUnit option for `raiseonunhandleddeprecation`.

This is now required to pass Travis runs so it should just be enabled
all the time internally.  It has been a point of confusion for some
contributors (why do the tests pass locally but not on Travis).
Merge pull request #9521 from rwjblue/remove-checkbox-for-raise-unhandled-deprecation

Remove QUnit option for `raiseonunhandleddeprecation`.
Restore apply as a fallback
Merge pull request #9519 from christophercurrie/logger-bind

Use bind instead of apply in logger
Merge pull request #9506 from rwjblue/split-var-declarations

Make things easier to debug.
Merge pull request #9475 from lan0/fix-old-comments

Fix old comments