Added code to plot non-wifi periods differently, but it doesn't work well yet, so it's disabled currently.
Added code to plot non-wifi periods differently, but it doesn't work well yet, so it's disabled currently.

brettdh/libcmm,brettdh/libcmm,brettdh/libcmm,brettdh/libcmm,brettdh/libcmm