Add a hack to stop Agile chart from expanding forever

Page layout on Agile charts is broken, and with "Go to top" link
from https://github.com/alphanodes/additionals plugin enabled
the chart expands and resize event is triggered indefinitely.

Fixes #93

README.md

@@ -65,6 +65,7 @@ Latest:
 * Improved support for [Redmine Tags](https://www.redmineup.com/pages/plugins/tags) plugin
 * Fixed positioning of admin menu icons for some plugins
 * Added separator line between news on the news list
+* Fixed #93: Agile chart expanding indefinitely when Additional "Go to top" link is enabled
 
 v2.0.2 (2019-03-20):
 

src/sass/components/_plugins.scss

@@ -176,6 +176,14 @@
       order: 3;
     }
   }
+
+  // Page layout on Agile charts is broken, and with "Go to top" link
+  // from https://github.com/alphanodes/additionals plugin enabled
+  // the chart expands and resize event is triggered indefinitely.
+  // Hiding the "Go to top" link fixes this issue.
+  .gototop {
+    display: none;
+  }
 }