[MNG-6648] 'mavenrc_pre' script does not receive arguments like mavenrc in Bourne shell does
[MNG-6648] 'mavenrc_pre' script does not receive arguments like mavenrc in Bourne shell does

This closes #511

apache/maven,cstamas/maven,apache/maven,cstamas/maven,cstamas/maven,mcculls/maven,mcculls/maven,mcculls/maven,apache/maven