0.12.0.56 Release Notes (Not Mandatory)

[tungfa]

0.12.0.56 Release Notes
we have released a maintenance release of Dash 0.12.0 series - the update not mandatory.
The binaries are available at https://www.dash.org/downloads/

This is a maintenance update, fixing the minor bugs below:

UdjinM6: fix N5boost10filesystem16filesystem_errorE on freebsd (#630)
UdjinM6: add missing maps cleaning in CMasternodeMan::Clear()(#631)
thelazier: Fix Misbehaving counting during Masternode Sync (#635)
schinzelh: fix Travis-CI definition (86d4672)
schinzelh: fix translation config for Italian (#673)
crowning: Transaction View: LastMonth calculation fixed (1e59cf0)
schinzelh: update checkpoint (274145f)