auth-plugins, ui: added some tweeks to the ui

- make select2 code generic independent of number of fields
- decrease large inputs to fit our container width.

rhodecode/public/css/main-content.less

@@ -196,6 +196,16 b''
             .text-as-placeholder {
                 padding-top: @input-padding-px + @border-thickness-inputs;
             }
+
+            .no-border {
+                border: 1px;
+            }
+
+            .no-horizontal-padding {
+                padding-left: 0;
+                padding-right: 0;
+            }
+
         }
 
         // TODO: johbo: Try to find a better integration of this bit.

rhodecode/public/css/variables.less

@@ -125,7 +125,7 b''
 @label-summary-minwidth: 80px;
 @search-form-width: 400px;
 @fields-input-m: 400px;
-@fields-input-l: 750px;
+@fields-input-l: 720px;
 
 // BUTTONS
 @button-padding: .9em;

rhodecode/templates/admin/auth/plugin_settings.mako

@@ -65,7 +65,7 b''
                         %elif node.widget == "bool":
                           <div class="checkbox">${h.checkbox(node.name, True, checked=defaults.get(node.name))}</div>
                         %elif node.widget == "select":
-                          ${h.select(node.name, defaults.get(node.name), node.validator.choices)}
+                          ${h.select(node.name, defaults.get(node.name), node.validator.choices, class_="select2AuthSetting")}
                         %elif node.widget == "textarea":
                           <div class="textarea" style="margin-left: 0px">${h.textarea(node.name, defaults.get(node.name), rows=10)}</div>
                         %elif node.widget == "readonly":
@@ -114,11 +114,8 b''
         dropdownAutoWidth: true,
         minimumResultsForSearch: -1
     };
-    $("#tls_kind").select2(select2Options);
-    $("#tls_reqcert").select2(select2Options);
-    $("#search_scope").select2(select2Options);
-    $("#group_extraction_type").select2(select2Options);
-    $("#admin_groups_sync").select2(select2Options);
+  $('.select2AuthSetting').select2(select2Options);
+
 });
 </script>
 </%def>