Fix fonts mixed-content
Fixed deprecation error collections.MutableMapping (python 3.10)

Update RDFlib to 6.1.1 (removed rdflib-jsonld, as it is deprecated)
Bumped minimum python version: 3.7 (as a result of RDFLIB 6)
Added ProxyFix to run behind nginx (Added --no-proxy to run without the fix)
Replaced http media links to protocol-agnostic links in playground
Enable CORS (via --enable-cors)
Update old urls (replaced *.cluster.gsi.dit.upm.es with *.gsi.upm.es)

Check out the CHANGELOG.md file for more information

* Improve extra requirement handling
* New mechanism to handle parameters beforehand in chained
  calls, and the ability to get help on available parameters in chained
  calls (through `?help`).
* Redefined Analysis, to reflect the new ontology
* Add parameters as an entity in the schema
* Update examples to include analyses and parameters
* Add processing plugins, with an interface similar to analysis plugins
* Update tests
* Avoid duplication in split plugin

Closes #51

Squashed commit of the following:

commit d145a852
commit 6a106978
commit ca69bddc
commit aa35e62a

Replace algorithm list with a tuple

Closes #56

See merge request !25

This replaces the makes for each python version with a simple `make push`.
It will also add a "main image" for each version, i.e. `gsiupm/senpy:1.0.0` in
addition to `gsiupm/senpy:1.0.0-python2.7` and `gsiupm/senpy:1.0.0-python3.5`.

This also includes a couple of changes URIs to pass the tests with python 3.7

Closes #50

* Add flag to run tests (and exit, or run the server)
* Add ntriples outformat
* Modify dependency installation logic to avoid installing several times
* Add encoded URLs as base/prefix
* Allow plugin activation to fail

* Add flag to run tests
* Add ntriples outformat

* Modify dependency installation logic (avoid installing several times)
* Add encoded URLs for as base/prefix

* Add option to add multiple plugins
* Improve UI hints for collapsed parameters
* Refactored plugins without requirements
* Hide evaluation tab for the moment. You can see it by adding "?evaluation" to
  the URL.