Fix _lp_battery return value when LP_ENABLE_BATT != 1
Optimize _lp_color_map using arithmetic comparisons
_lp_color_map: use dichotomy to more evenly distribute cost
_lp_color_map: rename 'load' to 'value'
Optimize _lp_load_color
Merge pull request #177 from dolmen/optimize/load_color

Optimize loadavg display