enable strict mode in couple more files

tabs/auxiliary_configuration.js

@@ -1,3 +1,5 @@
+'use strict';
+
 // TODO: rework box_highlight & update_ui to accept flexible amount of aux channels
 tabs.auxiliary_configuration = {};
 tabs.auxiliary_configuration.initialize = function(callback) {

tabs/cli.js

@@ -1,3 +1,5 @@
+'use strict';
+
 var CLI_active = false;
 var CLI_valid = false;
 

tabs/default.js

@@ -1,3 +1,5 @@
+'use strict';
+
 tabs.default = {};
 tabs.default.initialize = function(callback) {
     GUI.active_tab_ref = this;

tabs/gps.js

@@ -1,3 +1,5 @@
+'use strict';
+
 tabs.gps = {};
 tabs.gps.initialize = function(callback) {
     GUI.active_tab_ref = this;

tabs/initial_setup.js

@@ -1,3 +1,5 @@
+'use strict';
+
 tabs.initial_setup = {
     yaw_fix: 0.0
 };

tabs/motor_outputs.js

@@ -1,3 +1,5 @@
+'use strict';
+
 tabs.motor_outputs = {};
 tabs.motor_outputs.initialize = function(callback) {
     GUI.active_tab_ref = this;
@@ -99,7 +101,7 @@ tabs.motor_outputs.initialize = function(callback) {
     }
 
     function drawGraph(graphHelpers, data, sampleNumber) {
-        svg = d3.select(graphHelpers.selector);
+        var svg = d3.select(graphHelpers.selector);
 
         if (graphHelpers.dynamicHeightDomain) {
             var limits = [];

tabs/pid_tuning.js

@@ -1,3 +1,5 @@
+'use strict';
+
 tabs.pid_tuning = {};
 tabs.pid_tuning.initialize = function(callback) {
     GUI.active_tab_ref = this;

tabs/receiver.js

@@ -1,3 +1,5 @@
+'use strict';
+
 tabs.receiver = {};
 tabs.receiver.initialize = function(callback) {
     GUI.active_tab_ref = this;

tabs/sensors.js

@@ -1,3 +1,5 @@
+'use strict';
+
 tabs.sensors = {};
 tabs.sensors.initialize = function(callback) {
     GUI.active_tab_ref = this;
@@ -102,7 +104,7 @@ tabs.sensors.initialize = function(callback) {
     }
 
     function drawGraph(graphHelpers, data, sampleNumber) {
-        svg = d3.select(graphHelpers.selector);
+        var svg = d3.select(graphHelpers.selector);
 
         if (graphHelpers.dynamicHeightDomain) {
             var limits = [];

tabs/servos.js

@@ -4,6 +4,7 @@
     from multiwii is so horrible, obstructive and non dynamic, not to mention it doesn't make any sense
     that there was just no other way around this then hardcoding/implementing each model separately.
 */
+'use strict';
 
 tabs.servos = {};
 tabs.servos.initialize = function(callback) {