Redis backed view counters 2.5.0

• Adjust add-on title to be "Redis backed view counters"
• Require StandardLib v1.22.0+
• Fix Redis Cache dependency did not report the required version correctly
• Implement content view updates in a background job instead of a blocking process during the cron-tasks

• Restore XF2.1 support
• XF2.3 support requires Redis Cache v2.17.0+

• Requires StandardLib v1.19.0+
• Requires Redis Cache v2.17.0+
• XF2.3 compatibility update

This add-on is now available on atelieraphelion.com

• Require php 7.2+
• Require XenForo 2.2+
• Require Redis v3.0.0+
• Remove deprecated code, hard requiring Redis v2.6+
• Fix page views where not being updated as expected
• Add support for @Bob's Article Management System
• Add support for XenForo Resource Manager

• Add support for page view counts

• Require php7+
• Require XenForo 2.1+, drop XF2.0 support
• Correct how paging through redis results is done, to ensure all items are visited as expected. This only effects installs with very large number of redis keys in the one instance

• Minor code cleanup
• Improve extendability for ElasticSearch Essentials for pushing view counts into search

• Only warn if Redis Cache isn't configured, do not block installing/upgrading

• Fix that view counts may be attributed to the wrong thread

• Block installing if Redis Cache add-on is not installed & configured.