** Bumped version into 3.0.4-SNAPSHOT
** Updated favicon
** Fixed banner text
** Fixed issue #3
** Added Travis badge
** Changed UserEmail entity to be indexed
** Changed User entity's nickname property to be indexed
** Added searchUsers method into UserController
** Added users search support into SearchServlet
** Added support for searching users into site menu
** Added users search functionality into user's profile page
** Fixed bug that allowed archived users to be viewed
** Prevented archived users to be found via search
** Added placeholder text into search boxes
** Added mixin for styling placeholder texts
** Added generic style for search boxes and refactored all search boxes
to use it
** Changed version into 3.0.4