Added missing ',' and fixed tab spacing

schemas/2015-01-01/deploymentTemplate.json

@@ -181,7 +181,7 @@
                   { "$ref": "http://schema.management.azure.com/schemas/2016-04-30-preview/Microsoft.Compute.json#/resourceDefinitions/extensions" },
                   { "$ref": "http://schema.management.azure.com/schemas/2016-06-27-preview/Microsoft.ContainerRegistry.json#/resourceDefinitions/registries" },
                   { "$ref": "http://schema.management.azure.com/schemas/2017-03-01-preview/Microsoft.Insights.json#/resourceDefinitions/actionGroups" },
-                  { "$ref": "http://schema.management.azure.com/schemas/2017-03-01-preview/Microsoft.Insights.json#/resourceDefinitions/activityLogAlerts" }
+                  { "$ref": "http://schema.management.azure.com/schemas/2017-03-01-preview/Microsoft.Insights.json#/resourceDefinitions/activityLogAlerts" },
                   { "$ref": "http://schema.management.azure.com/schemas/2016-06-01/Microsoft.Network.json#/resourceDefinitions/publicIPAddresses" },
                   { "$ref": "http://schema.management.azure.com/schemas/2016-06-01/Microsoft.Network.json#/resourceDefinitions/virtualNetworks" },
                   { "$ref": "http://schema.management.azure.com/schemas/2016-06-01/Microsoft.Network.json#/resourceDefinitions/loadBalancers" },

schemas/2017-03-01-preview/Microsoft.Insights.json

@@ -37,7 +37,7 @@
       ],
       "description": "Microsoft.Insights/actionGroups"
     },
-        "activityLogAlerts": {
+    "activityLogAlerts": {
       "type": "object",
       "properties": {
         "type": {
@@ -72,7 +72,7 @@
     }
   },
   "definitions": {
-        "ActivityLogAlert": {
+    "ActivityLogAlert": {
       "type": "object",
       "properties": {
         "scopes": {