improve subvol mount code robustness #1923 @phillxnet

Issues with afp share name #1347 @phillxnet @schakrava

On GUI, only 5000 user show up #1915 @phillxnet

root pool edit message formatting type error #1847 @phillxnet
Standardise error text format and move to string.format part-1 #1913 @phillxnet

Removing a disk seems to completely bork the UI #1837 @phillxnet

surface pool missing disk info in UI #1897 @phillxnet

empty compression setting on imported pools blocks extra mount options #1896 @phillxnet

[New feature] Add option to disable BTRFS quota/qgroups #1592 @phillxnet

allow import of ro,degraded cli mounted pool #1890 @phillxnet

deleting stale pincard holding users fails #1891 @phillxnet