Feature: Multilingual Support - Add search and languages serialization

[syphax-bouazzouni]

Require

• Feature: Multilingual support  goo#150
• Fix: rename values with no language tags from "none" to :none goo#154

Context

This PR, implements mostly two things:

• Display values in multiple languages, using a global variable requested_lang , see details and example here: Feature: Support multilingual - Add read multiple language ontoportal-lirmm/goo#32
• Search values in multiple languages, see details here: Feature: Support multilangual search ontoportal-lirmm/ontologies_linked_data#94, an update of the SOLR schema.xml file is required.

See the added units tests, for examples.

Changes

• Add the serialize_defaults if attributes to load set to :all and some code cleaning (see details in Feature: add the serialize_defaults to the attributes to load if set include = 'all' #145 )(37f74d3)
• When archiving a submission delete old files and zip master file if large size (b6134ff)
• Refactor tests to be faster by doing the indexation step only if needed (from 15min to 9min) (4304cc4)
• Display the language tags when serializing the results to JSON (36a5b68)
• Update the term index step to include all languages [Require solr schema update](ccf753f)
• Add multilingual support unit tests (fc48343)

[codecov]

Codecov Report

Attention: Patch coverage is 71.55812% with 345 lines in your changes are missing coverage. Please review.

Project coverage is 78.10%. Comparing base (299a01c) to head (fc48343).
Report is 116 commits behind head on develop.

Files	Patch %	Lines
...ion_process/operations/submission_rdf_generator.rb	55.33%	184 Missing ⚠️
...ubmission_process/operations/submission_indexer.rb	60.97%	48 Missing ⚠️
lib/ontologies_linked_data/utils/notifications.rb	61.11%	28 Missing ⚠️
lib/ontologies_linked_data/serializers/json.rb	65.71%	12 Missing ⚠️
...ocess/operations/submission_mertrics_calculator.rb	83.33%	12 Missing ⚠️
lib/ontologies_linked_data/models/class.rb	83.07%	11 Missing ⚠️
lib/ontologies_linked_data/metrics/metrics.rb	33.33%	8 Missing ⚠️
...rocess/operations/submission_properties_indexer.rb	82.60%	8 Missing ⚠️
...tologies_linked_data/models/ontology_submission.rb	64.28%	5 Missing ⚠️
...ervices/submission_process/submission_processor.rb	91.93%	5 Missing ⚠️
... and 10 more

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #199      +/-   ##
===========================================
- Coverage    80.80%   78.10%   -2.71%     
===========================================
  Files           63       74      +11     
  Lines         4907     5370     +463     
===========================================
+ Hits          3965     4194     +229     
- Misses         942     1176     +234     

Flag	Coverage Δ
unittests	78.10% <71.55%> (-2.71%)	⬇️

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