Events: style
Organism, Organism timer: use UTC offset when searching occurrences
pyaux static library
wx Classes: improve coding style
wx Classes time: remove underscore from public methods
wx Classes time: simplify code
wx Classes time: get_relative_month_time
wx Classes time: rename to timectrls + some improvements/cleanup
wx Tasklist: update method calls
wx Tasklist: fix bug
Organism basicrules: occur local time or UTC

Fixes #77 #129 #169 #225 #282
Simplify reference to #214
wx Scheduler: change parameter order
wx GUI: fix bug
wx Scheduler: fix bug when deleting a rule
wx Scheduler: select another rule, if possible, after deleting it
wx Scheduler basicrules: support choice between local time and UTC

Fixes #77 #129 #169 #225 #282 #284
wx Development: add UTC/local time support to simulator
wx Classes: accommodate wider wx.SpinCtrl arrows in some GTK themes
Organism timer: remind to use UTC for last search time