* loaded all distinct script names into one vector at server startup
* added custom loaders to convert the script names to indices
* converted all the script lookup functions to use the index instead of the name
* Rename 2 creature_template fields to more clean names and related code update also.
* Use enum values instead raw values for type_flags, use halper functions instead code repeating.
* Move tamed pet creating code to new function.
Added checking global cooldown for pet spell casting triggered by master.
Optimized PetAI::UpdateAI:
- Removed obsolete victim_guid as combat check.
- Stop pet combat when pet die in JustDied(Unit*) method.
- Optimized autospells selection and casting.
Signed-off-by: ApoC <apoc@nymfe.net>
