Develop

Created campaigns, people separate apps and moved Beneficiary and donor models and forms in to 
respective apps.
Modified the templates and added some extra,links like list of publishers, publisher detail etc.,.
Added the funcitonality of viewing all the books by an individual publisher
Added javascript functionality for Signup and logout links.
Created a campaign form and completed the functionality of only beneficiary can see it
Modified the custom_index and approve functions in authentication app
Added travis file to the app