add info badge into the notify dialog
show notify while acquiring image dimension on cmd:getfile
update Japanese translation
Merge branch '2.x' into 2.1

Conflicts:
	js/i18n/elfinder.en.js
Merge branch '2.1' into 2.1_n

Conflicts:
	js/i18n/elfinder.en.js
	js/i18n/elfinder.jp.js