AutoNFS v1.4.3: Added shunit2 Unit tests at first for AutoNFS Default parameters and added Travis-CI for testing automation

Signed-off-by: Martin Seener <martin@seener.de>
AutoNFS v1.4.3: (hopefully) fixed wring shunit2 binary path in the test for the 2.1.6 shunit2

Signed-off-by: Martin Seener <martin@seener.de>
AutoNFS v1.4.3: finally fixed the automatic Travis-CI builds with shunit2

Signed-off-by: Martin Seener <martin@seener.de>