Fixes the combatlog break bugs that exist since patch 2.4 by simply
clearing the whole log on every update. This is required in order
to receive new log events. Otherwise, addons like Omen or Recount
won't work and simply don't receive any new data at a given time.
Add tooltip library, based on the sellvalue item hooks,
in order to obtain extended gametooltip data, that can be used
to query the current GameTooltip for ItemLink and ItemID.
* Checks for redundant and incompatible addons.
* Asks the user for soft-conflicts if they want to keep it
* Saves soft-conflicts to not annoy the user on every login
* Automatically disables hard-conflicts