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-viewerbase/client/components/viewer/toolbarSectionTools/toolbarSectionTools.html

@@ -0,0 +1,30 @@
+<template name="toolbarSectionTools">
+    <div class="toolbarSectionTools pull-left m-t-1 rm-l-3">
+        {{#each toolbarButton in toolbarButtons}}
+            {{>toolbarSectionButton toolbarButton}}
+        {{/each}}
+
+        {{ #if extraToolbarButtons}}
+        <div id="moreTools" class="js-open-more-tools toolbarSectionButton rp-x-1 rm-l-3">
+            <div class="svgContainer">
+                <svg>
+                    <use xlink:href="/packages/ohif_viewerbase/assets/icons.svg#icon-tools-more"></use>
+                </svg>
+            </div>
+            <div class="buttonLabel">
+                <span>More</span>
+                <i class="fa fa-caret-down" aria-hidden="true"></i>
+            </div>
+        </div>
+
+        <div class="toolbarSectionDrawerContainer">
+            <!-- TODO: [design] check which group of tools shall be shown -->
+            <div class="toolbarSectionDrawer">
+                {{#each toolbarButton in extraToolbarButtons}}
+                    {{>toolbarSectionButton toolbarButton}}
+                {{/each}}
+            </div>
+        </div>
+        {{ /if }}
+    </div>
+</template>