DHL tracking module, experimental because tested only with one shipment.
Merge pull request #143 from aapa/dhl

DHL tracking module
README.md: convert to real markdown

Previously this was HTML which was partially difficult to read from
terminal.
Merge pull request #146 from Mkaysi/readme

README.md: convert to real markdown
Update module_rss.py

Fix command syntax-messages
update RSS-tests