Test work on showing event details in month view.
Replaced day coloring in month view with an "active times" border. Added encode to subprocess call in alert_displaycmd.
Added early and late warning lines to week view days with events falling either before or after the displayed interval. Fixed bug in displaying events starting after display range in week view.
Fixed bugs with non-integer screen distances in week and month view.
Use %X and %x to format non-ascii datetimes for python2.
tagged version 3.0.38
Updated monthly images