v2.2.0.4

UI: Fix display of witness locktime end date
UI: Improve phase4 witness renewal so that multi-part witness accounts can renew all parts in one go
UI: Fix display of witness earnings graph for expired accounts
UI: Fix witness renewal for phase3; A regression broke it in some instances
CORE: Fix an issue with txdb 'corrupting' its index based outpoints; also repair already corrupted databases in place
CORE: Increase the size of the maximum allowed fee on the network to 2 NLG