Implement methods to check if TFA is enabled and secret key is valid
K3.1 fix custom.less order
Merge pull request #2462 from 810/k3.1-develop-bugs4

K3.1 fix custom.less order
Merge pull request #2461 from xillibit/k31_bugs3

Implement methods to check if TFA is enabled and secret key is valid
Simplify a bit part of TFA check on KunenaLogin class
Merge pull request #2464 from xillibit/k31_bugs3

Simplify a bit part of TFA check on KunenaLogin class