Ensure that on window's the program group contains valid syntax
Ensure that install path from GUI target panels contain valid directory
syntax on windows
Ensure target panel through console installation contains valid
directory syntax on windows
Merge branch 'master' into directoryValidation
Merge pull request #253 from mtjandra/IZPACK-1148

[IZPACK-1148] - Validate TargetPanel input and ShortcutPanel input on Windows