added Excel format option in config
Fix version numbers (3.4 => 4)
Removed 'Dialogs' string, because it is confusing for most activity names (e.g. 'Delete file' becomes 'Delete file Dialogs')
Avoid perl warnings

perl 5.20 warns "Useless use of greediness modifier ? in regex" when
a question mark is used after a quantifier, but followed by the \z anchor
Merge branch 'master_Excel_config' of github.com:s7design/otrs
Fixed: Generated CSV file cannot display Chinese characters in MS Excel (bug#10656).
Merge branch 'perl-warning-greediness' of github.com:moritz/otrs
Merge branch 'change-frontend-agent-processactivitydialogsuffix-nilei-master' of github.com:nilei/otrs
Corrected handling of --help.
Improved Excel output.