Fix fatals due to core changes

MF started crashing in 1.25wmf1 because SpecialPage_initList hook
started gettng called earlier, before request title is initialized.
This change postpones most of toggling until the time the title is there.

Bug: 71329
Change-Id: I01cde170a47fa9fad1753d9b5b95131c2ee952d3
Merge "Fix fatals due to core changes"