Add step to RELEASE
wx GUI: Temporary fix for #270
Split long configurations in sub-sections

Fixes #296
Move keyboard shortcuts to configuration

Addresses #238
wx GUI: fix bug
wx GUI: fix bug
wx GUI: fix #295
wx GUI: #273 is obsolete
wx Tasklist: fix bug
wx GUI: Improve comment
wx GUI: Remind bug #331
Remind bug #332
wx GUI: Remind bug #333
wx GUI: Remind bug #334
wx GUI: Remind bug #335
wx Scheduler: Remind bug #336
Reorganize keyboard shortcuts
Use a unified menu action and keyboard shortcut to close right-pane notebook tabs

Fixes #307
wx Tasklist: Add show panel action to tab context menu
wx GUI: Remind bug #337