Switched default mech to dart / Bugfixes

core/src/io/anuke/mindustry/content/Blocks.java

@@ -1644,7 +1644,7 @@ public class Blocks implements ContentList{
 
         dartPad = new MechPad("dart-mech-pad"){{
             requirements(Category.upgrade, ItemStack.with(Items.lead, 200, Items.graphite, 100, Items.copper, 150));
-            mech = Mechs.dart;
+            mech = Mechs.alpha;
             size = 2;
             consumes.powerBuffered(50f);
         }};

core/src/io/anuke/mindustry/content/Bullets.java

@@ -632,7 +632,6 @@ public class Bullets implements ContentList{
         }};
 
         oilShot = new LiquidBulletType(Liquids.oil){{
-            speed = 2f;
             drag = 0.03f;
         }};
 

core/src/io/anuke/mindustry/content/Mechs.java

@@ -359,6 +359,6 @@ public class Mechs implements ContentList{
             }
         };
 
-        starter = alpha;
+        starter = dart;
     }
 }