Test suite for app-URI first version added

Example application added: appURIcomplianceTest.zip
Tested on FireFox OS simulator
Adding condition that test will run only for app protocol
Adding link to test suite html file
Adding readme file
cosmetic change in readme file
Removing author link
Adding content check for txt and png files
Removed isTrusted and bubbles property on event
Removed application/xml content type since this is only FFOs specific
and I've left it by mistake - I've used it for tests only
Adding Character normalization test case
Character normalization test case added
Changing code according to Marcos comments
Splitting lines ~80 characters (if possible)
Merge pull request #1 from martap/master

First version of app-URI scheme test suite