LT-73 Add progress dialog component

Packages/lesiontracker/client/components/lesionTrackerProgressDialog/lesionTrackerProgressDialog.html

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+<template name="lesionTrackerProgressDialog">
+    <div id="lesionTrackerProgressDialog" tabindex="0">
+        <div class="dialogHeader">
+            <h5>{{progressDialogTitle}}</h5>
+        </div>
+        <div class="dialogContent">
+            <div class="progress">
+                <div class="progress-bar progress-bar-striped active" role="progressbar" style="width:{{progressStatus}}">
+                    {{progressStatus}}
+                </div>
+            </div>
+        </div>
+    </div>
+</template>

Packages/lesiontracker/client/components/lesionTrackerProgressDialog/lesionTrackerProgressDialog.js

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+progressDialog = {
+    'show': function(title, numberOfTotal) {
+        Session.set("progressDialogSettings", { title: title, numberOfCompleted: 0, numberOfTotal: numberOfTotal });
+
+        $('#lesionTrackerProgressDialog').css('display', 'block');
+    },
+    'update': function(numberOfCompleted) {
+        var progressDialogSettings = Session.get("progressDialogSettings");
+        progressDialogSettings.numberOfCompleted = numberOfCompleted;
+
+        Session.set("progressDialogSettings", progressDialogSettings);
+
+        if (progressDialogSettings.numberOfCompleted === progressDialogSettings.numberOfTotal) {
+            progressDialog.close();
+        }
+    },
+    'close': function() {
+        Session.set("progressDialogSettings", { title: "", numberOfCompleted: 0, numberOfTotal: 1 });
+        $('#lesionTrackerProgressDialog').css('display', 'none');
+    },
+};
+
+Template.lesionTrackerProgressDialog.helpers({
+    'progressDialogTitle': function () {
+        if (Session.get("progressDialogSettings") && Session.get("progressDialogSettings").title) {
+            return Session.get("progressDialogSettings").title;
+        }
+
+        return "";
+    },
+    'progressStatus': function() {
+        var numberOfCompleted = 0;
+        if (Session.get("progressDialogSettings") && Session.get("progressDialogSettings").numberOfCompleted) {
+            numberOfCompleted = Session.get("progressDialogSettings").numberOfCompleted;
+        }
+
+        var numberofTotal = 1;
+        if (Session.get("progressDialogSettings") && Session.get("progressDialogSettings").numberOfTotal) {
+            numberofTotal = Session.get("progressDialogSettings").numberOfTotal;
+        }
+
+        return parseInt((numberOfCompleted / numberofTotal) * 100) + "%";
+    }
+});

Packages/lesiontracker/client/components/lesionTrackerProgressDialog/lesionTrackerProgressDialog.styl

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+#lesionTrackerProgressDialog
+  display: none
+  position: absolute
+  top: 0
+  bottom: 0
+  left: 0
+  right: 0
+  margin: auto
+  width: 20%
+  height: 15%
+  z-index: 100
+  border-radius: 5px
+  padding: 10px 20px 10px 20px
+  background-color: rgba(255,255,255,1)
+  outline: none
+
+  .dialogContent
+    margin-bottom: 20px