[logger] lotsTextParser: fix to exclude part.colors
[logger] add Statistics controller signature
add exchangeRate
[logger] implement Statistics controller
[logger] show statistics on the bottom
[logger] update statistics when selectedOrder is changed
[logger] lotsTextParser: avoid price being NaN
[logger] show scrollbar on the main pane
[logger] delete unnecessary #orderList
delete unnecessary sample data files
Merge branch 'logger-statistics'