reduce db initialization to one per thread

limit wallet relocation to windows, add also to node

Merge pull request hclivess#344 from EggPool/patch-58

Mempool tuning

Merge remote-tracking branch 'origin/master'

add support for tarred files to "load wallet" option

cleanup

emergency release

Merge pull request hclivess#312 from EggPool/patch-41

Add filter hook

adjust mining reward

add missing icon