[webui] Fixed button position in dialog box
Revert "[webui] use a proxy when fetching configuration.json"

This reverts commit c813bf1f801796d79432ee2c638d58bde4c5e5d9.
[api] support remote interconnect also with credentials

Regression for OBS 2.0 and before using /lastevents route. They need to be
configured a remoteurl with /public suffix
[backend] use async remote gbininfo requests to check aggregates

rebuilding is unfortunately still synchroneous.
[api] fix a missing line on /lastevents call
[webui] include the right helper in main controller
[api] found a way to stay backward compatible and still support credentials for inter connect URLs
[webui] Disable browser autocomplete on sign up form