Added bg for transparent images

Improve user feedback on the Profile > Design page

- Header changes immediately without a page reload
- Lets the user know that we actually saved their setting when changed

added width and height below images in diff

fixes :notice after project is created in projects_controller

When projects were created in projects_controller
create.js.haml passed notice as url parameter and
therefore notice was not displayed in the page after
redirect to the project page

fix for issue #1669

Resque must be running in the own namespace

Cannot remove user that owns a project.

Update doc/development.md