started version 2.0
fixed missing translator in templates
configurator: prevent empty pluginsDirs parameter
tests update
removed useless session wrapper
removed firelogger
caching: cachestorage required only in constructor -> better cache configuration
JS: context menu update
JS: fixed file context menu on all content items
theme: customized .icon-arrow-right
JS: implemented simple context menu
travis: update composer
JS: fixed context menu selection
file manager setup moved out from constructor to init() method
JS: fixed context menu items onclick
theme: CSS fixed icon-arrow-right size
toolbar changed to bootstrap navbar
themes: new default theme & base CSS style
set root dir if actual dir is empty
improved HTML in content templates