0237: made backup for tip triggers more savely

#811
0238: added support for traffic lights

#712
0239: reactivated traffic recognition
Update translation_nl.xml

minor changes and additions
Merge pull request #813 from pewemo/patch-4

Update translation_nl.xml
0240: added wood chipper to .isCopper

#771
0241: reset slipping timers when allowedToDrive==false, enable active buttons if opening hud with keyboard
No texts translated on the HUD

These texts are published only in English
Update translation_en.xml
0242: Change some variable names.
Update translation_hu.xml
Update translation_br.xml
Update translation_cs.xml
Update translation_cz.xml
Update translation_de.xml
Update translation_es.xml
Update translation_fr.xml
Update translation_it.xml
Update translation_nl.xml
Update translation_pt.xml