DDBNEXT-81: Test logic
Unit-Tests
Unit-Tests
Unit-Tests
Bugfixings 
- DDBNEXT-115: log4j configuration error
- DDBNEXT-108: removed mustache folders in webapp und plugins
- DDBNEXT-107: added errorhandling to ContentController and
FacetController
- DDBNEXT-106: Added mimetype handling to ErrorController
- DDBNEXT-105: Added transparent icon fancy_title_over.png to fix log4j
error message
- DDBNEXT-99: replace println logging by log4j and added some logging to
ApiConsumer.groovy
- DDBNEXT-81: Added some Unittests and removed assert false statements
Bugfixings 
- DDBNEXT-115: log4j configuration error
- DDBNEXT-108: removed mustache folders in webapp und plugins
- DDBNEXT-107: added errorhandling to ContentController and
FacetController
- DDBNEXT-106: Added mimetype handling to ErrorController
- DDBNEXT-105: Added transparent icon fancy_title_over.png to fix log4j
error message
- DDBNEXT-99: replace println logging by log4j and added some logging to
ApiConsumer.groovy
- DDBNEXT-81: Added some Unittests and removed assert false statements
Merge branch 'DDBNEXT-81-sec' of local repository into DDBNEXT-81-sec2

Conflicts:
	grails-app/conf/Config.groovy
DDBNEXT-115: File logging in log4j uses invalid variable
DDBNEXT-108: The WAR file contains an unneeded folder
"components/mustache" 
DDBNEXT-107: A call to http://localhost:8080/content/SomeInvalidString
returns an empty 500 page 
DDBNEXT-106: A call to http://localhost:8080/jawr returns an unformatted
500 page 
DDBNEXT-105: Error messages because of nonexisting images
DDBNEXT-99: Replace "System.out.println" and "println" logging through
"log" statements DDBNEXT-81: Jenkins-Build failes because of
unimplemented Unit-Tests