Various changes

Permissions:
- Changed permissions class to an enum
- started using some permissions for EventUtil

Events:
- fixed armor stands being placed outside allowed area
- fixed item frames and paintings being placeable outside allowed area
- fixed eating and reading being restricted where it shouldn't
- Added various new flags for fine tuned protection
- Recoded the result of multiple flags to be more logical
- recoded player interact event
- fixed ender dragon egg teleportation onto other plots
- tried centralizing some logic to the EventUtil class

PlotAPI:
- minor tweaks to the PlotAPI class

PlotSquared updater:
- removed some debug
- testing a bit more

Chunk sending:
- fixed plot clearing, and related block changes not sending chunk
updates to 1.7.10 clients

TODO:
- verify all works
- finish centralizing event system

PlotSquared/src/main/java/com/intellectualcrafters/plot/commands/Merge.java

@@ -37,7 +37,7 @@ import com.intellectualcrafters.plot.util.CmdConfirm;
 import com.intellectualcrafters.plot.util.EconHandler;
 import com.intellectualcrafters.plot.util.EventUtil;
 import com.intellectualcrafters.plot.util.MainUtil;
-import com.intellectualcrafters.plot.util.Permissions;
+import com.intellectualcrafters.plot.util.Perm;
 import com.intellectualcrafters.plot.util.bukkit.UUIDHandler;
 
 /**
@@ -84,7 +84,7 @@ public class Merge extends SubCommand {
             MainUtil.sendMessage(plr, C.PLOT_UNOWNED);
             return false;
         }
-        final boolean admin = Permissions.hasPermission(plr, "plots.admin.command.merge");
+        final boolean admin = Perm.hasPermission(plr, "plots.admin.command.merge");
         if (!plot.isOwner(plr.getUUID()) && !admin) {
             MainUtil.sendMessage(plr, C.NO_PLOT_PERMS);
             return false;