bugfix in nested formset due to changes in templates that changed the position of the input, searching not only in children

WIP on #245

and reuse that in the links template
bioschemas for compound fixed for links and more
WIP on #245

thereby discarding Kd ratio, which isn't a
valid type activity to compute these

FIX #244

otherwise depending on the order in which the tests run, some of
them would randomly crash because livesettings had been modified
by a previous test.

and minor layout corrections
FIX #236

WIP on #236

more specifically, test name and cell line name
FIX #237

- replaced compounds can only be viewed by superusers
- and are clearly indicated as such

FIX #241

so that it uses the right verson of the model

FIX #242

to avoid error messages such as:

```
UnicodeDecodeError: 'ascii' codec can't decode byte 0xce in position 800: ordinal not in range(128)
```

remove old commented code, debug prints.

ProteinDomainComplexForm - Add PDB code and link on the page to help user find domain on PDB website

Final review step in contribution

See merge request !16

Using position:absolute was the cause of the blinking for the first render of the back of the card
Using .choices_background:hover{...background-color:white} was the cause of the impression that the flip card was turning only one out of two
Moving down box-shadow to flip-card-inner level