Merge pull request gitlabhq#2484 from netdata/fix_url_encode

Fixing request.fullpath URL encoding

Author: dzaporozhets

lib/extracts_path.rb

@@ -108,7 +108,7 @@ def assign_ref_vars
       request.format = :atom
     end
 
-    path = request.fullpath.dup
+    path = CGI::unescape(request.fullpath.dup)
 
     @ref, @path = extract_ref(path)