Changed gitkeep to gitignore to pevent that any cache unit test trash that, for any type of reason cannot be deleted after testing, is committed
Updated readme with issue reporting guideline
Added some info to make the file valid. More can be added according to http://getcomposer.org/doc/04-schema.md
Added app/nut tests:run command. Can use phpunit from composer install or system path.
Updated readme for running unit test suite from app/nut
Merge pull request #175 from pvankouteren/no-issue-number-general-fixes

No issue number general fixes