Buff System & Map skipping fix + properly disposing Storage + Fairness to locks

Fixed buff system behaving oddly if a buff has value zero, that would render some skills "broken".
Fixed players skipping maps when trying to access portals while under a poor Internet connection.
Fixed storage not disposing players properly in cases where the players does not meet the storage conditions.
Set some locks to use fairness strategy when dealing with atomic code, in order to make the calls to it properly synchronized.
Fixed Aran introductory questline stucking players when certain conditions were met.
Added drop data for some mob versions of Fairy, Yeti and Pepe.

scripts/npc/1202009.js

@@ -0,0 +1,11 @@
+var status = 0;
+
+function start() {
+    status = -1;
+    action(1, 0, 0);
+}
+
+function action(mode, type, selection) {
+    cm.sendOk("Up ahead is the #rMirror Cave#k. Only the chosen ones have permission to access that place.");
+    cm.dispose();
+}

scripts/npc/1202010.js

@@ -0,0 +1,11 @@
+var status = 0;
+
+function start() {
+    status = -1;
+    action(1, 0, 0);
+}
+
+function action(mode, type, selection) {
+    cm.sendOk("Behold, the distinguished brave heroes of Rien! Those stout hearts are who have been protecting our people since long ago, our valiant comrades.");
+    cm.dispose();
+}

scripts/npc/1204001.js

@@ -12,7 +12,7 @@ function action(mode, type, selection) {
     	status--;
     }
     if (status == 0) {
-    	cm.sendNext("I'm Francis, the Puppeteer of the Black Wings. How dare you disturb my puppets... It really upsets me, but I''ll let it slide this time. If I catch you doing it again though, I swear in the name of the Black Mage, I will make you pay for it.", 9);
+    	cm.sendNext("I'm Francis, the Puppeteer of the Black Wings. How dare you disturb my puppets... It really upsets me, but I'll let it slide this time. If I catch you doing it again though, I swear in the name of the Black Mage, I will make you pay for it.", 9);
     } else if (status == 1) {
     	cm.sendNextPrev("#b(The Black Wings? Huh? Who are they? And how is all this related to the Black Mage? Hm, maybe you should report this info to Tru.)#k", 3);
     } else if (status == 2) {

scripts/npc/1209001.js

@@ -0,0 +1,11 @@
+var status = 0;
+
+function start() {
+    status = -1;
+    action(1, 0, 0);
+}
+
+function action(mode, type, selection) {
+    cm.sendOk("The #rBlack Mage#k's forces approaches here in an unstoppable pace... We have no other way than to flee this area now, leaving our home behind. Oh, the tragedy!");
+    cm.dispose();
+}

scripts/npc/1209002.js

@@ -0,0 +1,11 @@
+var status = 0;
+
+function start() {
+    status = -1;
+    action(1, 0, 0);
+}
+
+function action(mode, type, selection) {
+    cm.sendOk("Please calm down, uncle. We are embarking to #bVictoria Island#k, we will be safe once we reach there. So, come on!");
+    cm.dispose();
+}

scripts/npc/1209003.js

@@ -0,0 +1,11 @@
+var status = 0;
+
+function start() {
+    status = -1;
+    action(1, 0, 0);
+}
+
+function action(mode, type, selection) {
+    cm.sendOk("We are departing to #bVictoria Island#k briefly. I've heard the #rBlack Mage#k himself cannot take that place on his grasp yet, thanks to #bthe seal that has been casted on that area#k. We pray for their safety, but if fortune does not favor the Heroes, at least we will be safe once we reach the continent.");
+    cm.dispose();
+}

scripts/npc/1209004.js

@@ -0,0 +1,11 @@
+var status = 0;
+
+function start() {
+    status = -1;
+    action(1, 0, 0);
+}
+
+function action(mode, type, selection) {
+    cm.sendOk("I hope for this travel to be a safe one, and that we get to live on a more peaceful place there... Hey, darling, let's go.");
+    cm.dispose();
+}

scripts/npc/1209005.js

@@ -0,0 +1,11 @@
+var status = 0;
+
+function start() {
+    status = -1;
+    action(1, 0, 0);
+}
+
+function action(mode, type, selection) {
+    cm.sendOk("Alright, embarking in...");
+    cm.dispose();
+}