2.1.3

• add warning in system report for users with default permalink settings (which is problematic for some podcast clients)
• enhancement: delete caches in all blogs when changing a network template
• enhancement: delete caches when changing the template default assignment
• enhancement: do not rely on openssl module
• fix: add flattr setting to contributors general tab
• fix: duplicate episodes when using podlove.episodes template accessor
• fix: correctly fire plugin activation hooks in network mode
• fix: ensure network module is activated correctly
• fix: "Add New" link in empty list tables