FIX setup on Ubuntu 18.04

[mgmax]

and switch to Debian 10 (Buster) as Vagrant OS and some minor improvements so that vagrant up just works nicely.

The VirtualBox shared folder seems to be only half working (rsync instead of shared folder, Vagrant prints a warning that guest additions in the VM are too old), I'm not sure if this was better before.

[codecov-io]

Codecov Report

Merging #157 into development will increase coverage by 0.01%. The diff coverage is n/a.

@@               Coverage Diff               @@
##           development     #157      +/-   ##
===============================================
+ Coverage        27.24%   27.25%   +0.01%     
===============================================
  Files               62       62              
  Lines             7653     7653              
===============================================
+ Hits              2085     2086       +1     
+ Misses            5568     5567       -1

Impacted Files	Coverage Δ
...bKasse/cashPayment/client/PaymentDevicesManager.py	36.86% <0%> (+0.36%)	:arrow_up:

---

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[codecov-commenter]

Codecov Report

Merging #157 (0395656) into development (0919df6) will increase coverage by 0.04%. The diff coverage is n/a.

:exclamation: Current head 0395656 differs from pull request most recent head 378a32d. Consider uploading reports for the commit 378a32d to get more accurate results

@@               Coverage Diff               @@
##           development     #157      +/-   ##
===============================================
+ Coverage        27.20%   27.25%   +0.04%     
===============================================
  Files               62       62              
  Lines             7667     7653      -14     
===============================================
  Hits              2086     2086              
+ Misses            5581     5567      -14     

Impacted Files	Coverage Δ
FabLabKasse/faucardPayment/FAUcardPaymentThread.py	14.87% <0.00%> (+0.41%)	:arrow_up:
run.py	14.94% <0.00%> (+0.81%)	:arrow_up:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 16aec7e...378a32d. Read the comment docs.