Remove tabs from HTML files

From https://google.github.io/styleguide/htmlcssguide.html
"Indentation
Indent by 2 spaces at a time.

Don't use tabs or mix tabs and spaces for indentation."

Tested: Manual regression testing on a Witherspoon.
Change-Id: Ief7137dabc869b73b73f9947337fbb0abb5ca497
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/app/server-control/controllers/power-usage-controller.html b/app/server-control/controllers/power-usage-controller.html
index 793f5e9..0a89e6f 100644
--- a/app/server-control/controllers/power-usage-controller.html
+++ b/app/server-control/controllers/power-usage-controller.html
@@ -1,47 +1,47 @@
 <loader loading="loading"></loader>
 <div id="power-usage">
-	<div class="row column">
-		<h1>Manage Power Usage</h1>
-	</div>
-	<form class="power-usage__form" role="form" action="">
-		<section class="row column">
-			<div class="page-header">
-				<h2 class="bold h4">Power information</h2>
-			</div>
-			<fieldset>
-					<ul class="power-usage__metadata-wrapper">
-						<li class="power-usage__metadata-block">
-							<p class="content-label">Power Consumption</p>
-							<p class="courier-bold">{{power_consumption}}</p>
-						</li>
-						<li class="power-usage__metadata-block">
-							<div class="toggle inline">
-								<input id="toggle__switch-round"
-												class="toggle-switch toggle-switch__round-flat"
-												type="checkbox"
-												tabindex="0"
-												ng-model="power_cap.PowerCapEnable"
-												ng-checked="power_cap.PowerCapEnable">
-								<label for="toggle__switch-round" tabindex="0">Server power cap setting is <span class="uid-switch__status">{{power_cap.PowerCapEnable ? "on" : "off"}}</span></label>
-							</div>
-							<div class="power-usage__switch-label inline">
-								<p>Server power cap setting is <span class="uid-switch__status">{{power_cap.PowerCapEnable ? "on" : "off"}}</span></p>
-								<p>Set a power cap to keep power consumption at or below the specified value in watts.</p>
-							</div>
-							<div class="small-12 large-4">
-								<p class="content-label power-cap-value-label">POWER CAP VALUE IN WATTS</p>
-								<input id="power-cap" type="number" min="100" max="10000" step="1" ng-disabled="!power_cap.PowerCapEnable"  ng-model="power_cap.PowerCap"/>
-							</div>
-						</li>
-					</ul>
-			</fieldset>
-			<div class="power-usage__submit-wrapper">
-				<button type="button" class="btn-primary inline" ng-click="setPowerCap()">Save settings</button>
-				<button type="button" class="btn-secondary inline" ng-click="refresh()">Cancel</button>
-			</div>
-			<p class="success-msg" ng-show="set_power_cap_success" role="alert">Success! Power cap changed!</p>
-			<p class="set_powercap_error error-msg" ng-show="set_power_cap_error" role="alert">Error setting Power Cap!</p>
-		</section>
-	</form>
+  <div class="row column">
+    <h1>Manage Power Usage</h1>
+  </div>
+  <form class="power-usage__form" role="form" action="">
+    <section class="row column">
+      <div class="page-header">
+        <h2 class="bold h4">Power information</h2>
+      </div>
+      <fieldset>
+          <ul class="power-usage__metadata-wrapper">
+            <li class="power-usage__metadata-block">
+              <p class="content-label">Power Consumption</p>
+              <p class="courier-bold">{{power_consumption}}</p>
+            </li>
+            <li class="power-usage__metadata-block">
+              <div class="toggle inline">
+                <input id="toggle__switch-round"
+                        class="toggle-switch toggle-switch__round-flat"
+                        type="checkbox"
+                        tabindex="0"
+                        ng-model="power_cap.PowerCapEnable"
+                        ng-checked="power_cap.PowerCapEnable">
+                <label for="toggle__switch-round" tabindex="0">Server power cap setting is <span class="uid-switch__status">{{power_cap.PowerCapEnable ? "on" : "off"}}</span></label>
+              </div>
+              <div class="power-usage__switch-label inline">
+                <p>Server power cap setting is <span class="uid-switch__status">{{power_cap.PowerCapEnable ? "on" : "off"}}</span></p>
+                <p>Set a power cap to keep power consumption at or below the specified value in watts.</p>
+              </div>
+              <div class="small-12 large-4">
+                <p class="content-label power-cap-value-label">POWER CAP VALUE IN WATTS</p>
+                <input id="power-cap" type="number" min="100" max="10000" step="1" ng-disabled="!power_cap.PowerCapEnable"  ng-model="power_cap.PowerCap"/>
+              </div>
+            </li>
+          </ul>
+      </fieldset>
+      <div class="power-usage__submit-wrapper">
+        <button type="button" class="btn-primary inline" ng-click="setPowerCap()">Save settings</button>
+        <button type="button" class="btn-secondary inline" ng-click="refresh()">Cancel</button>
+      </div>
+      <p class="success-msg" ng-show="set_power_cap_success" role="alert">Success! Power cap changed!</p>
+      <p class="set_powercap_error error-msg" ng-show="set_power_cap_error" role="alert">Error setting Power Cap!</p>
+    </section>
+  </form>
 </div>