fix few words
fix words
set the default pager class
delete 'the meaning of training' frame
Merge branch 'refs/heads/BB'

Conflicts:
	aijianmei_back/apps/index/Tpl/default/Nutri/index.html
	aijianmei_back/apps/index/Tpl/default/Train/index.html
	aijianmei_back/apps/index/Tpl/default/Train/list.html