The customization page is WikiLove.js, not Wikilove.js

The RL module was loading WikiLove.js, but the boilerplate
"your customizations here" thing was put on Wikilove.js. Moved the
boilerplate to WikiLove.js.

Change-Id: I2b622c5ce72bc00c2c6457ad2e4a33485ba4291e
Merge "The customization page is WikiLove.js, not Wikilove.js"