Fix quality flaws
SONAR-3891 Make it possible for the Views and Developers plugin to decide if the Settings must be displayed on a View and a Developer
SONAR-4222 Application context not respected in batch_bootstrap redirect
Revert "SONAR-4222 Application context not respected in batch_bootstrap redirect"

This reverts commit 9b70bcf811a6be434835389053acacc43272607a.
Fix quality flaw
SONAR-4221 Make it possible for the Views and Developers plugin to define the differential periods 4 and 5
SONAR-4212 It should be possible to edit/remove the pre-defined manual metrics
SONAR-4201 "sonar.login" and "sonar.password" should default to "admin/admin"
Merge remote-tracking branch 'upstream/master' into dev