Merge branch 'new-group-avatar' into 'master'

Ability to upload avatar when create new group

Before this change you dont know you can upload avatar for group until you visit group edit page.

After this change you are able to upload avatar during group creation

app/views/groups/new.html.haml

@@ -13,6 +13,17 @@
     .col-sm-10
       = f.text_area :description, maxlength: 250, class: "form-control js-gfm-input", rows: 4
+  .form-group.group-description-holder
+    = f.label :avatar, "Group avatar", class: 'control-label'
+    .col-sm-10
+      %a.choose-btn.btn.btn-small.js-choose-group-avatar-button
+        %i.icon-paper-clip
+        %span Choose File ...
+       
+      %span.file_name.js-avatar-filename File name...
+      = f.file_field :avatar, class: "js-group-avatar-input hidden"
+      .light The maximum file size allowed is 100KB.
+
   .form-group
     .col-sm-2
     .col-sm-10