1.2.0

• added translations for ar, ast, et, he, id, is, no, pt-br, pt-pt, si-lk, sr,
  sv, th-th, tr
• fixed username not updated when login with OAuth (by @Binnette, cf #754)
• removed protocol from iframe URL (by @Binnette, cf #748)
• fixed icon max-height (cf #143)
• better image and iframe sizing in right panel (cf #184)
• allow to use variables for tooltips (cf #737)
• add a marker on user geolocation (cf #339)
• change arrow direction when "more controls" is active (cf #485)
• add an experimental feature permalink (cf #294)
• fixed edge case where slideshow will run even when inactive
• fixed bug when trying to add a property with a dot in the name (cf #426)