Return servlet-api version to 2.5
Return servlet-api version to 2.5

sbespalov/strongbox,AlexOreshkevich/strongbox,ivanursul/strongbox,strongbox/strongbox,korest/strongbox,strongbox/strongbox,strongbox/strongbox,sbespalov/strongbox,sbespalov/strongbox,nenko-tabakov/strongbox,ivanursul/strongbox,sbespalov/strongbox,strongbox/strongbox