reorganize packages, start converting overall app to react (very broken at the moment)

Packages/ohif-viewerbase/client/components/selectTree/selectTreeCommon/selectTreeCommon.html

@@ -0,0 +1,12 @@
+<template name="selectTreeCommon">
+    <div class="select-tree-common">
+        <div class="content">
+            <h5 class="title">Common</h5>
+            <div class="labels">
+                {{#each item in items}}
+                    <label for="{{this.storageKey}}_{{encodeId item.value}}">{{item.label}}</label>
+                {{/each}}
+            </div>
+        </div>
+    </div>
+</template>