Switch away from deprecated TicketList

To use CollectionList, we need to also specify what our Class is.
This still works on 4.0, since even in 4.0 TicketList was just a shim
around CollectionList that passed Class.
Add missing WebPath

Without this, the list of Tickets in the Time Worked report points to
the wrong ticket display pages.
Rewrite README to be more standard now that we autogenerate it
Upgrade M::I::RTx
Modernize Makefile.PL a bit

flag RT versions and let author come from the pm file
Bump version for 1.04 and update Changes