Various bugfixes and tweaks

- timed missions of all types should work.
- nanos now transmit an unsummon on 0 stamina.
- dying bumps your nanos down to half stamina now.
- enemies use abilities less frequently.
- group recall now works at any distance.
- passive nanos are tweaked to guzzle less stamina.
- cleared out some redundant stuff at the nanoPower handler.

src/PlayerManager.cpp

@@ -728,7 +728,8 @@ void PlayerManager::revivePlayer(CNSocket* sock, CNPacketData* data) {
     for (int i = 0; i < 3; i++) {
         int nanoID = plr->equippedNanos[i];
         // halve nano health if respawning
-        if (reviveData->iRegenType == 6)
+        // all revives not 3-5 are normal respawns.
+        if (reviveData->iRegenType < 3 && reviveData->iRegenType > 5)
             plr->Nanos[nanoID].iStamina = 75; // max is 150, so 75 is half
         response.PCRegenData.Nanos[i] = plr->Nanos[nanoID];
         if (plr->activeNano == nanoID)