Maintenance release v2.2.21

• Fixed: Before removing existing taxonomies, check the slugified value too. Fixes "Taxonomy lost after saving". #5337
• Fixed: Fix/jquery load order in base-2014 theme. #5261
• Fixed: Invalid translation (Finnish) #5263
• Fixed: Set list id to last id + 1 instead of list.length in file/imagelists. Fixes "Unable to update imagelist captions after update from 2.2.17 to 2.2.20" #5295
• Fixed: Trim <a>'s text content and remove redundant <strong> #5264
• Update: Rebuilt .css and .js files #5300