Ansible: Configurable python exec

See merge request !1062

Remove Playground directories

See merge request !1057

[AGIPD][Correct] Improve errors when no lit frames to correct

See merge request !983

Remove report service directory

See merge request !1058

[Webservice] More useful process name in systemd logs

See merge request !1053

doc[README][RTD]: Refactor README from RST to MarkDown and add jupyter usage installation instructions.

See merge request !1048

- When no data trains to correct skip plots gracefully before checking corrected data.
- When no lit frames available to correct, make this very clear by replacing empty list with a message of no frames to correct
- Show shutter configuration for SPB and MID.
- check shutter function to check shutter configuration.

[update_config.py] Update karabo ID of SQS Timepix detector

See merge request !1054

fix(GH2): skip plots if no raw data corrected in a notebook

See merge request !1049

[Webservice] log to stderr as well as files

See merge request !1052

[Webservice] Fix overview page with newly submitted jobs

See merge request !1051

[TIMEPIX] Bug Fix: Allow manual specification of the proposal

See merge request !1047