* modernized code style
* corrected behaivior of Blaze of the Heaven
* improved Plague of Age's spread reliability so it wont target already infected players
* delays can now be negative to support sniffed transition times from one waypoint path to another
* early transitions will now pick up the ongoing spline destination and start calculating their path from that point on
* waypoints may now use db side spline pathings in a new db table to support special spline shapes are not generated by normal pathfinding (e.g. scripted flight paths)
* current waypoints will still the work the way they did before for legacy and custom support
* Core/Unit: Allow to define Units which can enter water but cannot swim
Allow to define Units which can enter water but cannot swim, i.e. crabs walking at the bottom of a sea.
* Add UNIT_FLAG_SWIMMING to creatures when entering combat
* Fix charmed creatures not entering water
* Always allow Creatures controlled by players to enter water
* Add swimming flag when possessing a unit and remove it properly at the end, even if the creature engaged combat before and after.
When adding/removing UNIT_FLAG_SWIMMING manually calling Creature::RefreshSwimmingFlag(true) might be required.
* initialize Assembly of Iron's boss state on instance creation
* corrected the spell id usage for Steelbreaker's Static Disruption
* moved the Lightning Elemental Passive aura to the AI script instead of setting it in template addon
* Static Disruption will no longer target non-player targets to reflect its spell attributes
* apply the Shield of Runes buff only when the aura has been removed by breaking the absorb aura instead of when it has expired
* apply script naming consistency to Molgeim's Shield of Runes script name
* removed wrong instance bind extra flags from Assembly of Iron bosses
* corrected credit type for Assembly of Iron's instance encounter entry
* registered a missing spell script function
* modernized all remaining scripts
* no longer save already triggered area triggers in instance save data and block their execution only when the corresponding boss has been defeated already
* optimized area trigger scripts for boss intros by using a single shared script with different ctor arguments
* handle Cho'Gall's intro and outro texts for Halfus Wyrmbreaker
