fixed tag color on topics bar
added plurify view helper
remove console.log
added jquery-ui datepicker and updated jquery from 1.8 to 1.9
renamed method getListByFilter and countConferenceByFilter in fetchAllByFilter and countByFilter
fixed region selection
fixed method name from fetchAllRegionByRoute to fetchAllPeriodByRoute
added menu using Zend\Navigation
fixed method name getListByFilter to fetchAllByFilter
tags' list added to conferences' list