clean up the search packet references in the contactables controller
use a directive for the entity filter and create
refactor directive folder in views

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#	modified:   client/css/views/contactables.css
#	modified:   client/js/app.js
#	modified:   client/js/controllers/header.js
#	deleted:    client/js/directives.js
#	new file:   client/js/directives/directives.js
#	modified:   client/views/contactables/list.html
#	modified:   server/middleware/authorization.js
#	modified:   server/models/contactable.js
#	modified:   server/models/hierarchy.js
#	modified:   server/models/message.js
#	modified:   server/routes.js
#	modified:   server/views/includes/foot.jade
#	modified:   server/views/includes/head.jade
#	modified:   test/karma/karma.conf.js
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#	test/coverage/