csv: adding phone list export.

trello: https://trello.com/c/PYPjS1jc/609-csv-telefonliste
csv: order address and phone lists by last name.
csv: adding email list export.
csv: adding export button for member development list.
updating README: remove status table for now (until your_platform is included in statistics); including support logos.
activities: do not log sessions controller.
Correct spelling