User can create group

app/views/groups/new.html.haml

@@ -0,0 +1,21 @@
+%h3.page_title New Group
+%hr
+= form_for @group do |f|
+  - if @group.errors.any?
+    .alert-message.block-message.error
+      %span= @group.errors.full_messages.first
+  .clearfix
+    = f.label :name do
+      Group name is
+    .input
+      = f.text_field :name, placeholder: "Ex. OpenSource", class: "xxlarge left"
+       
+      = f.submit 'Create group', class: "btn primary"
+  %hr
+  .padded
+    %ul
+      %li Group is kind of directory for several projects
+      %li All created groups are private
+      %li People within a group see only projects they have access to
+      %li All projects of group will be stored in group directory
+      %li You will be able to move existing projects into group