further performance improvements
add jmeter test scenario
fixed bug due to Integer instead of int
Merge pull request #800 from davherrmann/performance

Performance improvements
Implements StreamSource now
Use PrintingComponent to display the help
Remove classes to display old help (and tests)
Moved help css to extra css file
Included stylesheet and updated image paths
Merge pull request #801 from jidel/issue#798-help_links

Issue#798 help links
Merge pull request #802 from HumBuch/develop

release version 1.1.20