Removed all code regarding multilayer creation and visualization including unused/deprecated preparations for Porto Meeting.
See branch support/multilayer-graph for original content.

when a transaction failes it gets stored in its own collection
updated requirements.txt

Merge remote-tracking branch 'origin/feature/community-detection-pipeline' into feature/community-detection-pipeline

'rest' to 'routes'

Authentication and business interface

API Gateway -> trace retrievel for every trace containing ApplicationType information

Revert "Auto stash before merge of "feature/business-logic-interface" and "origin/feature/business-logic-interface""

This reverts commit 8f59badf.

Auto stash before merge of "feature/business-logic-interface" and "origin/feature/business-logic-interface"

Merge remote-tracking branch 'origin/feature/business-logic-interface' into feature/business-logic-interface