set value of global variable miti as system time when export to csv/geojson button (inside tagsSelector dialgoue) is clicked, replace special characters in miti with _;
add value of global variable miti, which stores the system time, in parameter list of csv/geojson POST request;
csv filename from client system time obtained from 'data' parameter of AJaX call;
geojson filename from client system time obtained from 'data' parameter of AJaX call;
removed script import (which was needed for wms layer which has been removed);