This requires 1.42 for some new names
Changes to the use statements done automatically via script
Addition of missing use statements and changes to docs done manually
Change-Id: Ic1e2c9a0c891382744e4792bba1effece48e53f3
* Match $IP pattern verbatim from most other WMF extensions.
* Lowercase "Address".
* Change description to be more explicit.
* Change printed lint to be shorter once it starts running.
Change-Id: Iaa1b4683c5c856c752065797cf651ca7b1b46943