EcoAccount index

* renames eco_withdraws to withdraws
* adds EcoAccountTableFilter
* changes percentage withdraw to surface withdraw --> renames amount to surface
* updates EcoAccountTable
  * adds column for rendering rest of available account using a progress bar
* adds progressbar.html to konova/custom_widgets
* adds/updates translations

konova/templates/konova/custom_widgets/progressbar.html

@@ -0,0 +1,7 @@
+{% load i18n %}
+
+<div class="progress" title="{% trans 'Available: ' %}{{ value }}%">
+    <div class="progress-bar rlp-r" role="progressbar" style="width: {{ value }}%" aria-valuenow="{{ value }}" aria-valuemin="0" aria-valuemax="100">
+        {{ value }} %
+    </div>
+</div>