update language knowtion file and put 'knowtion' tag in scheduled module for language conversation
Merge branch 'master' of https://github.com/jiteshtandel/04CP018_no_son

Conflicts:
	wp-content/themes/getknowtion/languages/zh.mo
	wp-content/themes/getknowtion/languages/zh.po
	wp-content/themes/getknowtion/schedule-request-accepted.php
	wp-content/themes/getknowtion/schedule-request-sent.php
	wp-content/themes/getknowtion/schedule-requests.php