Fix on_plugin_install.bat hook
Fix on_plugin_install.bat hook

Fix on_plugin_install.bat hook to work with Windows usernames
containing spaces. See: https://github.com/wheeler-microfluidics/microdrop/issues/196

This fix dequotes path strings: http://ss64.com/nt/syntax-dequote.html

wheeler-microfluidics/dmf_control_board_plugin