fixing pre-mix process of creation denominated amounts

Update darkcoin-qt.desktop

don't use collateral amounts on CreateDenominated / make collateral inputs from all available coins and not only from non-denominated / IsCollateralAmount function

4 rounds should be more than enough

Guide to help people setup a start-many capable wallet

Catch UTXO set read errors and shutdown

vecMasternodes.size() == 0 is a nearly impossible condition due to the behavior
of dseep. Each time a node receives a ping where it's unaware of the masternode
it will ask for the dsee from it's peer.
-        if(c % 5 == 0 && (RequestedMasterNodeList <= 2 || vecMasternodes.size()
+        if(c % 5 == 0 && RequestedMasterNodeList < 3){

fix mn payment comment - blocknumbers / new dates according to stats from last 50k blocks

add missing DS/MN/IX options descriptions in help output

allow masternode commands execution while client is in safemode

fix dseg messaging / banning issues