* #3326 set loglevel of mempool to warn
* #3326 set mempool loglevel thru systemd service
* fix pint out of isSMART
* #3326 set LogLevel ins systemd
* #3268 fix helipad db owner
* check mempool install success
* fix mempool success detection
* add mempool db socks
* lnserver localhost to 127.0.0.1
Introducing arguments to `buildFromSource` and `downloadBinary` allows us to either build from the default variable or fetch the latest version when in the `update` menu.