[WIP] Cleanup. Removes the legacy Instrumentable, Taps, etc and related

gui components.  Refactors the new DecoderFX application to the
instrument package.

src/main/java/io/github/dsheirer/instrument/chart/PhaseLineChart.java

@@ -0,0 +1,73 @@
+/*******************************************************************************
+ * sdr-trunk
+ * Copyright (C) 2014-2018 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.instrument.chart;
+
+import io.github.dsheirer.buffer.DoubleCircularBuffer;
+import io.github.dsheirer.sample.Listener;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.scene.chart.LineChart;
+import javafx.scene.chart.NumberAxis;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class PhaseLineChart extends LineChart implements Listener<Double>
+{
+    private final static Logger mLog = LoggerFactory.getLogger(PhaseLineChart.class);
+
+    private DoubleCircularBuffer mDoubleCircularBuffer;
+    private ObservableList<Data<Integer,Double>> mPhaseValues = FXCollections.observableArrayList();
+
+    public PhaseLineChart(int length)
+    {
+        super(new NumberAxis("Time", 1, length, 2),
+            new NumberAxis("Phase", -0.8, 0.8, 0.1));
+
+        Series<Integer,Double> phaseSeries = new Series<>("PLL Phase Error", mPhaseValues);
+        ObservableList<Series<Integer,Double>> observableList = FXCollections.observableArrayList(phaseSeries);
+
+        setData(observableList);
+        init(length);
+    }
+
+    private void init(int length)
+    {
+        mDoubleCircularBuffer = new DoubleCircularBuffer(length);
+
+        for(int x = 1; x <= length; x++)
+        {
+            mPhaseValues.add(new Data(x, 0.0));
+        }
+    }
+
+    @Override
+    public void receive(Double phase)
+    {
+        mDoubleCircularBuffer.put(phase);
+
+        updateChart();
+    }
+
+    private void updateChart()
+    {
+        double[] values = mDoubleCircularBuffer.getAll();
+
+        for(int x = 0; x < values.length; x++)
+        {
+            mPhaseValues.get(x).setYValue(values[x]);
+        }
+    }
+}