Mailing List Send Modal and PAge

![mailinglist_send_modal](https://cloud.githubusercontent.com/assets/3430891/4496003/32e42154-4a61-11e4-80af-3dab37ed2aa2.PNG)
![mailinglist_send_page](https://cloud.githubusercontent.com/assets/3430891/4496004/32eb8fca-4a61-11e4-9700-dd57135c95ca.PNG)

Please create commun component for reusable modal as discussed