feat (AutoCompleteQuests): make a lot of quests easier to complete

When you just complete a quest asking you to kill x monsters or to loot x items, the quest giver is temporarily summoned right in front of you, so you can complete the quest (and eventually pick up the next quest) without needing to go back to the NPC location.
feat (Cheats) : adds some cheats configs

 - SpeedGame
 - NoCastTime
 - NoCooldown
 - HurtInRealTime
feat (CustomAttackSpeed): allows the change of attack speed

Adds a config rate for attack speed of player and mobs.
Merge branch 'AutoCompleteQuests' into develop
feat (FastFishing): makes fishing fastest

When fishing, the fish always come quickly.
feat (GainHonor): killing a guard or an elite mob give honor
feat (NoGreyAggro) : no aggro from grey creatures
feat (RespawnSpeed) : allows to control the respawn speed of mobs
fix (Config) : adds default configuration entries.
fix (Config): reorganize configuration entries.
feat (AdaptiveLevel) : cap player's level on area's level.

When player enter an area, it's level is capped.
Only the stats are capped. The level displayed is still the same, so equipment is still compatible and the player doesn't lose its talents.
What is impacted :
 - Visibiliy of low-level quests
 - Quest XP reward
 - Discovery XP reward
 - Creatures aggro