Implement two more mission types + tweaks & fixes

* Weapons will consume your batteries fully.
* Nerfed enemy damage at lower levels.
* Further reworked drain, uses a static variable as a timer (lastDrainTime)
* resendMobHP has been repurposed to drainMobHP.
* Players heal faster after a sizable cooldown.
* Nano type advantage is more noticeable during combat.

Implemented two more mission types + Tweaks

* Item delivery quests now work.
* Timed missions now work.
* All escort missions (type 6) are skipped.
* /minfo now also prints the terminator npc.
* Weapon battery consumption tweaked
* Fixed indentations.
* Heal nanos have better output (25% -> 35%)
* Damage formula had a slight tweak.
* Bugfixed weapon equipping.
* Other tweaks

src/MobManager.hpp

@@ -139,7 +139,7 @@ namespace MobManager {
     std::pair<int,int> getDamage(int, int, bool, bool, int, int, int);
 
     void pcAttackChars(CNSocket *sock, CNPacketData *data);
-    void resendMobHP(Mob *mob);
+    void drainMobHP(Mob *mob, int amount);
     void incNextMovement(Mob *mob, time_t currTime=0);
     bool aggroCheck(Mob *mob, time_t currTime);
 }