Version Update 2.1.0

[thrijith]

2.1.0

• Add wildcard cache key deletion for device type cache purge. #203 - by pradeep910
• Add filter rt_nginx_helper_purge_url to filter the URL to be purged. #182 - by todeveni
• Add filter rt_nginx_helper_purge_cached_file to filter the cached file name. #182 - by todeveni
• Add filter rt_nginx_helper_remote_purge_url to filter remote URL to be purged. #182 - by todeveni
• Add action rt_nginx_helper_after_fastcgi_purge_all to fire after the FastCGI cache has been purged. #182 - by todeveni
• Add action rt_nginx_helper_after_redis_purge_all to fire after the Redis cache has been purged. #182 - by todeveni
• Add action rt_nginx_helper_purged_file to fire an action after deleting file from cache. #182 - by todeveni
• Add action rt_nginx_helper_before_remote_purge_url to fire an action before purging remote URL. #182 - by todeveni
• Add action rt_nginx_helper_after_remote_purge_url to fire an action after remote purge request. #182 - by todeveni
• Fix issue with post purge on new comments. #175 - by jinschoi
• Fix Nginx Timestamp being added to invalid content type. #200 - by thrijith
• Handle filesize exception while truncating nginx.log file. #206 - by peterjanes