Merge pull request #89 in MMDB/medici-gwt-web from feature/SEAD-213-make-banner-image-and-background to master
* commit 'afdea7d5fc43b0169868575abf13e0b699e0e8b5':
whitelist other ProjectHeader keys
whitelist ProjectHeaderLogo key
Removed accidental code.
Set logo based on configuration
Properly set header configuration for logo, background image and font color
Added configuration entries for logo and background