Update ApplicationCommandLineInstruction.groovy

fix for using only last directory name name instead of builddir.path
Added 'ignoreFailures' flex unit property in order for CI servers to not mark the build as unsuccessful if any tests fail
Respect existing formatting
Merge branch 'patch-1' of https://github.com/bjoernlilleike/GradleFx into issue126-builddirpath
Merge branch 'issue126-builddirpath' into develop
Merge branch 'master' of https://github.com/nestradaOBS/GradleFx into issue127-ignoreFailures
Merge branch 'issue127-ignoreFailures' into develop