[12710] Set DB Strict filter for creature_movement with MovementType <> 2
[12711] Fixed possible mount abuse after leaving BattleGround

Close cmangos/issues#137

Signe-doff-by: Xfurry <xfurry@scriptdev2.com
[12712] Better DB values check when loading battleground_template

Display error if MinPlayersPerTeam > MaxPlayersPerTeam
Allow testers to start a BG without opening more than 1 client (using MinPlayersPerTeam = 0)

Close #136

Signed-off-by: Xfurry <xfurry@scriptdev2.com>
[12713] Implement two more TEMPFACTION_TOGGLE flags

* UNIT_FLAG_PACIFIED
* UNIT_FLAG_NOT_SELECTABLE

Signed-off-by: Xfurry <xfurry@scriptdev2.com>