Updates pull request from Roman Tsypuk to convert the build system from

ant to gradle.  Removes linux and windows application launch scripts and
produces an executable jar with all resources included.

src/main/java/io/github/dsheirer/channel/state/AlwaysUnsquelchedDecoderState.java

@@ -0,0 +1,106 @@
+/*******************************************************************************
+ *     SDR Trunk 
+ *     Copyright (C) 2014,2015 Dennis Sheirer
+ *
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <http://www.gnu.org/licenses/>
+ ******************************************************************************/
+package io.github.dsheirer.channel.state;
+
+import io.github.dsheirer.channel.metadata.Attribute;
+import io.github.dsheirer.channel.metadata.AttributeChangeRequest;
+import io.github.dsheirer.channel.state.DecoderStateEvent.Event;
+import io.github.dsheirer.message.Message;
+import io.github.dsheirer.module.decode.DecoderType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.ScheduledExecutorService;
+
+/**
+ * Basic decoder channel state - provides the minimum channel state functionality
+ * to support an always un-squelched audio decoder.
+ */
+public class AlwaysUnsquelchedDecoderState extends DecoderState
+{
+    private final static Logger mLog = LoggerFactory.getLogger(AlwaysUnsquelchedDecoderState.class);
+
+    private DecoderType mDecoderType;
+    private String mChannelName;
+
+    public AlwaysUnsquelchedDecoderState(DecoderType decoderType, String channelName)
+    {
+        super(null);
+
+        mDecoderType = decoderType;
+        mChannelName = channelName;
+    }
+
+    @Override
+    public void init()
+    {
+    }
+
+    @Override
+    public void reset()
+    {
+    }
+
+    @Override
+    public String getActivitySummary()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        sb.append("Activity Summary\n");
+        sb.append("\tDecoder:\t");
+        sb.append(mDecoderType);
+        sb.append("\n\n");
+
+        return sb.toString();
+    }
+
+    @Override
+    public void receive(Message t)
+    {
+		/* Not implemented */
+    }
+
+    @Override
+    public void receiveDecoderStateEvent(DecoderStateEvent event)
+    {
+        if(event.getEvent() == Event.RESET)
+        {
+            //Each time we're reset, set the PRIMARY TO attribute back to the channel name, otherwise we won't have
+            //a primary ID for any audio produced by this state.
+            broadcast(new AttributeChangeRequest<String>(Attribute.PRIMARY_ADDRESS_TO, mChannelName));
+        }
+    }
+
+    @Override
+    public DecoderType getDecoderType()
+    {
+        return mDecoderType;
+    }
+
+    @Override
+    public void start(ScheduledExecutorService executor)
+    {
+        broadcast(new AttributeChangeRequest<String>(Attribute.PRIMARY_ADDRESS_TO, mChannelName));
+        broadcast(new DecoderStateEvent(this, Event.ALWAYS_UNSQUELCH, State.IDLE));
+    }
+
+    @Override
+    public void stop()
+    {
+    }
+}