Improve setup design, add window title

OSX fix

Change to Breeze logo

Adding the path argument to the build

Fix modal backgrounds

added isChainsynced

the logic is that if isChainSynced == true then you can calculate the percentage based on ChainTip and LastBlockSyncedHeight
if isChainSynced == false you can't because we don't know yet how long the chain is

New UI, add status bar and sidebar, improve error handling

Segwit check, wait for chain header to download

added shutdown command for the full node to the UI's unload event

to close the underlying node, replaced the window.beforeunload event by an http request at electron level

Adding a keepalive endpoint that if enabled will shutdown the node after a trashold