Background-Image smaller

Signed-off-by: Stefanie Taepke <s.taepke@student.HTW-Berlin.de>
show-user bug fix

looked weird if you had no first name

Signed-off-by: Stefanie Taepke <s.taepke@student.HTW-Berlin.de>
Merge branch 'master' of https://github.com/CrowdStory/CrowdStory