Fix redirect-url to return always to login area

Should always redirect to: https://onestop4all.test.n4e.geo.tu-dresden.de/label/my_repositories

• Login
• Logout

changed milestone to %Label is ready for review (in test instance)

added LabelFrontend State #1 New TypeGeneralDev labels

mentioned in commit 77005ab7

marked the checklist item Login as completed

marked the checklist item Logout as completed

removed State #1 New label

added State#4 In Review label

mentioned in commit fe01ccd9