2.2.0

Among bugfixes and improvements, this release contains changes necessary for extensibility of the portal with custom widgets. Refer to the wiki for more details.

Changes:

• 687f46c Add contributions guidelines links (#421)
• 1907dcb Added widget scaffold and example of widget implementation. (#417)
• 8200ffb display values in dropdown for query and headers params in console (#416) [ #385 ]
• 265d0fc Collective changes and fixes from the paperbits libraries (#415)
• 75903f8 Fix comments in scripts/retrieveStorageSasUrl.js (#400)
• 71feeaa Fixed type definition table rendering, when an array type is missing for the definition. (#398)
• a207504 Added FAQ page link to "Unable to start portal" message. (#395)