Various fixes. Flow sensor icon

main.css

@@ -302,6 +302,24 @@ input[type="number"]::-webkit-inner-spin-button {
     color: #818181;
 }
 
+.opflowicon {
+    background-image: url(images/icons/sensor_flow_off.png);
+    background-size: 42px;
+    background-position: -5px 2px;
+    background-repeat: no-repeat;
+    height: 30px;
+    margin-top: 3px;
+    width: 100%;
+    padding-top: 40px;
+    color: #4f4f4f;
+    text-align: center;
+}
+
+.opflowicon.active {
+    background-image: url(images/icons/sensor_flow_on.png);
+    color: #818181;
+}
+
 .baroicon {
     background-image: url(images/icons/sensor_baro_off.png);
     background-size: 40px;
@@ -1451,7 +1469,7 @@ dialog {
 }
 
 /* GPS Fix styling*/
-.fix3D {
+.fix3d {
     background-color: #56ac1d;
     padding: 2px;
     padding-left: 5px;
@@ -1461,7 +1479,7 @@ dialog {
     font-size: 10px;
 }
 
-.fix2D {
+.fix2d {
     background-color: #bcbf10;
     padding: 2px;
     padding-left: 5px;

main.html

@@ -167,6 +167,9 @@
                         <li class="gps" title="GPS">
                             <div class="gpsicon">GPS</div>
                         </li>
+                        <li class="opflow" title="Optical flow">
+                            <div class="opflowicon">Flow</div>
+                        </li>
                         <li class="sonar" title="Sonar / Range finder">
                             <div class="sonaricon">Sonar</div>
                         </li>

tabs/configuration.js

@@ -257,7 +257,9 @@ TABS.configuration.initialize = function (callback, scrollPosition) {
         // generate GPS
         var gpsProtocols = [
             'NMEA',
-            'UBLOX'
+            'UBLOX',
+            'I2C-NAV',
+            'DJI NAZA',
         ];
 
         var gpsBaudRates = [
@@ -325,13 +327,10 @@ TABS.configuration.initialize = function (callback, scrollPosition) {
             'SUMD',
             'SUMH',
             'XBUS_MODE_B',
-            'XBUS_MODE_B_RJ01'
+            'XBUS_MODE_B_RJ01',
+            'IBUS'
         ];
 
-        if (semver.gte(CONFIG.apiVersion, "1.15.0")) {
-            serialRXtypes.push('IBUS');
-        }
-
         var serialRX_e = $('select.serialRX');
         for (var i = 0; i < serialRXtypes.length; i++) {
             serialRX_e.append('<option value="' + i + '">' + serialRXtypes[i] + '</option>');