Work on refactoring measurements out of Lesion Tracker package

- Removed AssociatedStudies Collection
- Measurement API is generated from configuration files
- Data exchange methods are defined in configuration

Packages/ohif-user-management/client/components/userAccountMenu/userAccountMenu.styl

@@ -0,0 +1,32 @@
+@import "{design}/app"
+
+#userAccountMenu
+  padding: 4px 0
+  height: 100%
+
+  .dropdown-toggle
+    theme('color', '$defaultColor')
+    cursor: pointer
+    font-size: 13px
+    font-weight: 400
+    line-height: 18px
+    text-decoration: none
+
+    .menuButton
+      theme('border-left', 'solid 1px $defaultColor')
+      display: inline-block
+      height: 18px
+      padding: 0 8px
+
+      .fa
+        theme('color', '$defaultColor')
+        font-size: 17px
+        line-height: 18px
+
+      .caret-down
+        theme('color', '$uiLightGray')
+        margin: 0 4px 4px 2px
+
+  ul.dropdown-menu
+    li
+      cursor: pointer