pytagtime added default for exclude-weekdays
pytagtime: plot spacing
pytagtime: fix day-of-the-week labels
pytagtime: add a exclude-tags option
pytagtime: make trends and hour-of-the-week plot more useful/pretty
pytagtime: PEP8
pytagtime: anchor day of the week on monday
pytagtime: add obfuscation option for demonstration purposes
pytagtime: optionally show current day/time in plot
pytagtime: option to selecy specific week days (as opposed to excluding them)
pytagtime: improve handling of display of 'current' time/day
pytagtime: add virtual, weighted observations to smooth plots
pytagtime: fix legend coloring, tag selection and mean-after-resampling
pytagtime: add different ways to deal with multiple tags: first, split, double
pytagtime: FIX obfuscation and day-of-the-week plots
pytagtime: Fix error when extra_tags not used
pytagtime: start/end time specification relative to today
preferences: added quiet-while-charging

Adds a setting 'Quiet While Charging' that disables ringing
and vibrating while the phone is plugged in.  This is
intended for people who plug their phone in at night and
don't want to be woken up.