Fixing broken layout when username is too long.
Adding max-width attribute to username field. Showing ellipsis when text
overflows
Adding media queries to provide a better layout when browsing on tablets
or mobile.
Fixes Bug 1038920
Removing unecessary centering. Bug 1038920
Merge pull request #177 from vazquez/1038920/broken-long-username-event-detail-view

Fixing broken layout when username is too long.