2.1.9

What's Changed

• geometry_validation metadata is a boolean by @ger-benjamin in #3084
• Set travis dist to precise by @arnaud-morvan in #3144
• Fix basic auth group finder by @arnaud-morvan in #3145
• Fix usage of i18n's client.mo files by @ger-benjamin in #3177
• Fix unicode issues in theme2fts script by @ger-benjamin in #3179
• Allows use of smtps by @yjacolin in #3141
• Fix shortener email_body by @arnaud-morvan in #3172
• Don't use image type on internal WMS layers by @sbrunner in #3197
• [doc, 2.1] add update infos from GSSZ2-22 by @jwkaltz in #3213
• Fix private WMTS layer by @sbrunner in #3231

Full Changelog: 2.1.8...2.1.9