LT-302: Adding close buttons to Audit Log screen

Packages/hipaa-audit-log/components/hipaaCloseButton/hipaaCloseButton.html

@@ -0,0 +1,13 @@
+<template name="hipaaCloseButton">
+    <div class="close-btn">
+      {{#if header}}
+        <button type="button" class="close">
+          <span>&times;</span>
+        </button>
+      {{else}}
+        <button type="button" class="btn btn-default">
+          Close
+        </button>
+      {{/if}}
+    </div>
+</template>

Packages/hipaa-audit-log/components/hipaaCloseButton/hipaaCloseButton.js

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+Template.hipaaCloseButton.events({
+  'click button': function() {
+    var history = window.history;
+
+    if(history.length > 0) {
+      history.go(-1);
+    }
+    else {
+      window.location = '/'
+    }
+  }
+});

Packages/hipaa-audit-log/components/hipaaCloseButton/hipaaCloseButton.less

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+.close-btn {
+  text-align: right;
+  padding: 5px 5px 0;
+  margin-right: 10px;
+
+  &:before,
+  &:after {
+    display: table;
+    content: " ";
+    clear: both;
+  }
+
+  .btn-default {
+    margin-bottom: 5px;
+  }
+}