Update lib/Rex/Group/Lookup/File.pm
rex with exit status
Typo in function add repository key (key-id => key_id)
Added is_installed function to determine if a package is installed. Same behavior like is_file, is_dir and so on.
Merge branch 'exit-status' into 0.39
Update lib/Rex/Commands/LVM.pm

More allowed chars in lvname
Match comments better
fixed PERL5LIB for #95
added possibility to build own/private module server
added authentication
check if download should be saved in a directory and append name
updated contributors, changelog and buildfiles