Added the getQueryStringPagingVariable() method to the pagination helper
Added the getQueryStringPagingVariable() method to the pagination helper


Former-commit-id: d90431d879e6f2ae9a2a0ba51f9bd26a366831c0
acliss19xx/concrete5,jaromirdalecky/concrete5,jaromirdalecky/concrete5,a3020/concrete5,deek87/concrete5,concrete5/concrete5,jaromirdalecky/concrete5,triplei/concrete5-8,concrete5/concrete5,deek87/concrete5,mlocati/concrete5,hissy/concrete5,hissy/concrete5,haeflimi/concrete5,MrKarlDilkington/concrete5,mlocati/concrete5,mainio/concrete5,KorvinSzanto/concrete5,MrKarlDilkington/concrete5,acliss19xx/concrete5,KorvinSzanto/concrete5,biplobice/concrete5,olsgreen/concrete5,jaromirdalecky/concrete5,biplobice/concrete5,olsgreen/concrete5,concrete5/concrete5,deek87/concrete5,acliss19xx/concrete5,haeflimi/concrete5,rikzuiderlicht/concrete5,MrKarlDilkington/concrete5,haeflimi/concrete5,rikzuiderlicht/concrete5,concrete5/concrete5,hissy/concrete5,haeflimi/concrete5,hissy/concrete5,biplobice/concrete5,mainio/concrete5,triplei/concrete5-8,KorvinSzanto/concrete5,mainio/concrete5,deek87/concrete5,a3020/concrete5,triplei/concrete5-8,mlocati/concrete5,olsgreen/concrete5,rikzuiderlicht/concrete5,mlocati/concrete5,biplobice/concrete5