feat(test): Refactor z-w-s-b-test.sh to support more apps

Only one app per type is supported, it may be improved later if needed

Origin: SiliconLabsSoftware#135
Relate-to: https://github.com/SiliconLabsSoftware/z-wave-engine-application-layer/issues/76
Signed-off-by: Philippe Coval <[email protected]>

Author: rzr