Adding tests of image validation of kou icons in imageloader
Adding tests of image validation of dot and envelope, and making sure the logger is silent during the test, of imageloader
Adding tests of image validation of smileys in imageloader
Adding tests of correct loaded images, and validation message of multiple missing images
Removing todo, as junit System Rules made it easy to test system.exit
Sending messages to imageloader
Using messages to create error in imageloader
Extracting constant
Removing usage of swingutilities in url doc filter, and adding initial test
Adding comment about new lines
Adding newlines to tests, for better realism
Adding tests of urls at beginning of lines
Adding tests of urls at end of lines
Adding tests of multiple urls at the same line
Adding tests of multiple different urls at the same line
Adding test of only valid urls detected
Adding test of urls with different kind of parameters
Adding test of concurrency issues
Adding test of what happens when not stand alone
Cleanup