Show both playback and user events in the event log by default.
Show event filters even without --experimental.
Eliminate excess blank space between event filter checkboxes.
Remove incorrect icons from zoom buttons.
Merge pull request #198 from kagu/fix_event_log_settings

Fix event log settings
Merge pull request #199 from kagu/remove_zoom_icons

Remove incorrect icons from zoom buttons
add icons for toolbar buttons
Merge pull request #207 from cyberixae/add_toolbar_icons

Add icons for toolbar buttons