UTF-8 decode shibboleth attributes
shibboleth: commit changed username after login
Add CHANGES for 2.1.2
Merge pull request #760 from liqd/feature-changelog-2.1.2

Add CHANGES for 2.1.2
Fixup "make register hint translatable"

fixup f3a120bb15e93249513cda1ed063a96446012df4