prevent closeOnScroll if animations are running or gesture is performed
prevent closeOnScroll if animations are running or gesture is performed

closes #898

johanronn77/PhotoSwipe,candybanana/PhotoSwipe,duchaiweb/PhotoSwipe,Maverbelle/PhotoSwipe,englishextra/PhotoSwipe,phillipalexander/PhotoSwipe,Xephi/PhotoSwipe,johanronn77/PhotoSwipe,fredDesign/PhotoSwipe,kaskajp/PhotoSwipe,pedro-mendonca/PhotoSwipe,fabiosantoscode/PhotoSwipe,andygoo/PhotoSwipe,briandamage/PhotoSwipe,blazoncek/PhotoSwipe,Xephi/PhotoSwipe,duchaiweb/PhotoSwipe,pedro-mendonca/PhotoSwipe,phillipalexander/PhotoSwipe,thien0291/PhotoSwipe,briandamage/PhotoSwipe,SureShinde/PhotoSwipe,Magl/PhotoSwipe,chunchill/PhotoSwipe,fredDesign/PhotoSwipe,thien0291/PhotoSwipe,bhuber2010/PhotoSwipe,dimsemenov/PhotoSwipe,zonayedpca/PhotoSwipe,zutrinken/PhotoSwipe,bmk10/PhotoSwipe,luksak/PhotoSwipe,luksak/PhotoSwipe,andygoo/PhotoSwipe,ermakovmaxim/PhotoSwipe,blazoncek/PhotoSwipe,chunchill/PhotoSwipe,kaskajp/PhotoSwipe,fabiosantoscode/PhotoSwipe,kana7/PhotoSwipe,englishextra/PhotoSwipe,bmk10/PhotoSwipe,Magl/PhotoSwipe,candybanana/PhotoSwipe,bhuber2010/PhotoSwipe,dtyleung/PhotoSwipe,zonayedpca/PhotoSwipe,ermakovmaxim/PhotoSwipe,zutrinken/PhotoSwipe,dtyleung/PhotoSwipe,kana7/PhotoSwipe,dimsemenov/PhotoSwipe,Maverbelle/PhotoSwipe,SureShinde/PhotoSwipe