Overview of changes in 3.15.90
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* Remove Facebook chat support (745004)

* Bugs fixed:
 742651 ewsclient, httpclient: Stop using deprecated SoupSessionAsync

* Updated translations:
 Aragonese
 Simplified Chinese
 Traditional Chinese (Taiwan)
 French
 Friulian
 Galician
 Greek
 Hebrew
 Icelandic
 Japanese
 Kazakh
 Slovak
 Swedish
 Turkish