Merchandise: contact and opening

See merge request !94

facilities.md: ISDN in Datenklo Q13

See merge request !93

Art & Play

See merge request !82

facilities.md: Update ISDN/PSTN points of presence

See merge request !92

facilities: extend information about lost+found

See merge request !91

Mention new Wiki more prominently

See merge request !90

Add information about ticket-to-wristband exchange (aka cash desk)

See merge request !89

Add chillfloor text (in english)

Closes #2

See merge request !76

Add EV Charging

See merge request !87

Update POC details and FAQ.

See merge request !86

facilities.md: Fix MarkDown formatting bugs I introduced

See merge request !85

My apologies; one can see that I mostly work with other formatting
syntax than MarkDown :(

Page about street names

See merge request !81

Update travel.md, minor tweaks for bike travel

See merge request !84

Update travel.md for Rufbus until Sunday

See merge request !83