- Fixed "Flood" display, changed to "Load 1" and "Load 2". #108

- Fixed "Flood" display, changed to "Load 1" and "Load 2".  #108
 - Highlight loads when on.
 - Fixed axis zeroing.
 - Fixed bug in home position set after successful home.  #109
 - Fixed ugly Web error dumps.
 - Allow access to log file from Web.
 - Rotate log so it does not grow too big.
 - Keep same GCode file through browser reload.  #20