Issue 4145: Point users to Login Problems post
Issue 4145: Make it not broken
Issue 4145: Frakking quotes
Issue 4145: Better wording
Issue 4141: Hopefully fix the test
Issue 4145: Fix the tests properly this time
Merge pull request #1901 from LadyOscar/issue_4145

Issue 4145: Add link to common login problems post to login failure message