Remove global on-off setting.
Add button to timetable GUI.
Add company setting to control default for new vehicles.
Fix automate, start date, change time and autofill buttons
being shown enabled for other companies' vehicles.
Adjust start dates for vehicles before the base one forward by one
timetable duration if they would start before the present date.
Whitespace/format fixes.
serbian: 86 changes by stravagante
catalan: 77 changes by juanjo
german: 1 change by mini1025
russian: 1 change by Lone_Wolf
latin: 1 change by Supercheese
german: 8 changes by translators, 2 changes by frosch
arabic (egypt): 36 changes by translators
afrikaans: 4 changes by translators
hungarian: 1 change by translators
english (us): 1 change by translators
frisian: 2 changes by translators
norwegian (bokmal): 5 changes by translators
norwegian (nynorsk): 1 change by translators
lithuanian: 5 changes by translators
slovenian: 4 changes by translators
russian: 1 change by translators
ukrainian: 2 changes by translators
welsh: 3 changes by translators
french: 5 changes by glx
english (au): 1 change by translators
irish: 1 change by translators
tamil: 1 change by translators
belarusian: 2 changes by translators
bulgarian: 1 change by translators
italian: 1 change by translators
scottish gaelic: 1 change by translators
romanian: 2 changes by translators
urdu: 5 changes by translators
turkish: 11 changes by translators
portuguese: 1 change by translators
latvian: 2 changes by translators
esperanto: 1 change by translators
dutch: 3 changes by translators
serbian: 1 change by translators
spanish: 1 change by translators
czech: 4 changes by translators
indonesian: 2 changes by translators
latin: 1 change by translators
catalan: 2 changes by translators
hebrew: 9 changes by translators
greek: 5 changes by translators
polish: 1 change by translators
chinese (traditional): 1 change by translators
slovak: 1 change by translators
icelandic: 2 changes by translators
portuguese (brazilian): 4 changes by translators
danish: 2 changes by translators
vietnamese: 6 changes by translators
malay: 2 changes by translators
galician: 4 changes by translators
croatian: 1 change by translators
korean: 4 changes by translators
finnish: 1 change by translators
chinese (simplified): 1 change by translators
estonian: 3 changes by translators
persian: 4 changes by translators
thai: 6 changes by translators
swedish: 1 change by translators
luxembourgish: 3 changes by translators
japanese: 5 changes by translators
basque: 2 changes by translators