[12583] Add a configurable delay between when a creature respawns and when it can aggro due to movement.
[12584] Rename m_respawnAggroDelay to make it more generic
[12585] Fix for Finger of Frost 100% proc is corrected and stack also correctly decreased

Thank to zkillertheman & VladimirMangos

This close pull request https://github.com/cmangos/mangos-wotlk/pull/97
[12586] Fixed issue with PCH not working on some versions of GCC

Since some versions of GCC doesn't output patchlevel on -dumpversion the PCH check can fail.
Bug: https://github.com/cmangos/issues/issues/81
[12587] Chat system refactoring All chat function now call same method

I also reworked the packet structure to be more near of original.
Due to havy of code changed this commit need to be applyed carrefully.

Any feedback is welcome here or on cmangos.net
[12588] Restore nix build. Also forget to remove one MANGOSASSERT + cosmetic stuff
[12589] New nix fix, sorry.

Enum place swap and a new include.
[12590] Add BuildChatPacket comment, reorder parameters, correct a little bug gm name not showed on general channel (Thank to @Shauren for pointing).
[12591] Fix freeze if opcode.txt file does not exist on .debug send opcode

Idea by @xjose93

Thanks to @evil-at-wow for feedback
[12592] Fix arena scoreboard end screen

Also fixes scoreboard minimap icon in .debug arena

Thanks to TOM_RUS for research

Signed-off-by: stfx <stfx@hotmail.de>
[12593] Fix showing skirmish or rated arena queue icon

Initial patch by Machiavelli

Close #132

Signed-off-by: stfx <stfx@hotmail.de>