Fix activity pane z-index when music is playing.

Some new graph types (WIP)
Update font-awesome to 4.4.0

data/interfaces/default/js/graphs/plays_by_platform.js

@@ -0,0 +1,55 @@
+var hc_plays_by_platform_options = {
+    chart: {
+        type: 'column',
+        backgroundColor: 'rgba(0,0,0,0)',
+        renderTo: 'chart_div_plays_by_platform'
+    },
+    title: {
+        text: ''
+    },
+    plotOptions: {
+            column: {
+                pointPadding: 0.2,
+                borderWidth: 0
+            }
+        },
+    legend: {
+        enabled: true,
+        itemStyle: {
+            font: '9pt "Open Sans", sans-serif',
+            color: '#A0A0A0'
+        },
+        itemHoverStyle: {
+            color: '#FFF'
+        },
+        itemHiddenStyle: {
+            color: '#444'
+        }
+    },
+    credits: {
+        enabled: false
+    },
+    colors: ['#F9AA03', '#FFFFFF'],
+    xAxis: {
+            categories: [{}],
+            labels: {
+                style: {
+                    color: '#aaa'
+                }
+            }
+    },
+    yAxis: {
+            title: {
+                text: null
+            },
+            labels: {
+                style: {
+                    color: '#aaa'
+                }
+            }
+    },
+    tooltip: {
+
+    },
+    series: [{}]
+};