1.x-1.22.0

Changes since 1.x-1.21.6:

• #2297647 by DamienMcKenna: Fatal error: views_plugin_display::destroy()
• Update hreflang tokens.
• #2864524 by JamesK: Improve field descriptions for abstract and geo.position
• #2857982 by arosboro: Fixed tests in 7.x-1.x branch
• #3108311 by mvc, DamienMcKenna: meta tags not working with taxonomy terms Views page ending in /all