Improved formatting of calibration warning message.

web/css/ahrs.css

@@ -154,7 +154,7 @@
 .error .errText {
     font-size: 16px;
     font-family: sans-serif;
-    text-anchor: middle;
+    text-anchor: central;
     alignment-baseline: middle;
     stroke-width: 0px;
     fill: red;

web/plates/js/ahrs.js

@@ -130,7 +130,7 @@ ahrsRenderer.prototype = {
     },
 
 	turn_off: function(message) {
-        this.errText.text(message);
+        this.errText.text(message).center(0, 0);
         var tb = this.errText.bbox();
         this.errTextBg.attr({'x': tb.x, 'y': tb.y, 'width': tb.w, 'height': tb.h});
         this.ai.hide();

web/plates/js/gps.js

@@ -265,7 +265,7 @@ function GPSCtrl($rootScope, $scope, $state, $http, $interval) {
 	$scope.IsCaging = function() {
 	    var caging = statusCal.innerText === "Caging";
 	    if (caging) {
-            ahrs.turn_off("Sensor is calibrating.\nFly level and do not move sensor.");
+            ahrs.turn_off("Calibrating. Fly level and do not move sensor.");
 		} else {
             ahrs.turn_on();
 		}