Maven cleanliness and API progress

The project was very messy and due to older Bukkit packaging conventions, 1_4_5 and 1_4_6 were sorted away from the rest of the versioned code. All of the versioned internals are now submodules of the internal module.
Rather than use the hackish existing method of abusing the shade plugin to combine "dependencies" for a dummy assembly project, we're actually using the assembly plugin.
Profiles are still split up between the parent pom and the internal module pom, but they're much more clean.

The API is now its own module and can be compiled and released as a separate file for developers. Soon, Bukkit ticket 20, you'll be closed.

api/src/main/java/com/lishid/openinv/internal/IAnySilentContainer.java

@@ -0,0 +1,37 @@
+package com.lishid.openinv.internal;
+
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+
+public interface IAnySilentContainer {
+
+    /**
+     * Checks if the given block is a container which can be unblocked or silenced.
+     * 
+     * @param block the BlockState
+     * @return true if the Block is a supported container
+     */
+    public boolean isAnySilentContainer(Block block);
+
+    /**
+     * Checks if the container at the given coordinates is blocked.
+     * 
+     * @param player the Player opening the container
+     * @param block the Block
+     * @return true if the container is blocked
+     */
+    public boolean isAnyContainerNeeded(Player player, Block block);
+
+    /**
+     * Opens the container at the given coordinates for the Player. If you do not want blocked
+     * containers to open, be sure to check {@link #isAnyContainerNeeded(Player, Block)}
+     * first.
+     * 
+     * @param player
+     * @param silentchest whether the container's noise is to be silenced
+     * @param block the Block
+     * @return true if the container can be opened
+     */
+    public boolean activateContainer(Player player, boolean silentchest, Block block);
+
+}