BugId:100560 adding wgImageServingMaxReuseCount instead of hardcoded maxCount class var
BugId:100560 Defining default value with no dependency to config
Merge pull request #586 from Wikia/bugid-100560-image-reuse-count-kamilkoterba

BugId:100560 adding wgImageServingMaxReuseCount instead of hardcoded max...