[z2530] Dropped unused column in gameobject_template

Signed-off-by: Cala <calaftp@free.fr>
[z2531] Remove unused MAX_LEVEL_CLASSIC
[z2532] Remove support for Shiv

Shiv got introduced in TBC.
Add build status image

[ci skip]
[z2533] Add Shaman/Warrior flurry spell chains

Fixes flurry procs related to spell_proc_event table.

Signed-off-by: Cala <calaftp@free.fr>
[z2534] Add missing SQL update in previous commit

Thanks evil.at.wow for pointing.
[z2535] Update deprecated package name
Merge branch 'master' of https://github.com/cmangos/mangos-classic