new translation
new translation
update Chinese guide.
update Chinese guide.
update start-installation.md Chinese version.
proofread start-hello.md Chinese version.
proofread start-forms.md Chinese version.
proofread start-databases.md Chinese version.
sync images to Chinese version guide.
update start-gii.md Chinese version.
update start-looking-ahead.md Chinese version.
update structure-overview.md Chinese version.
proofread structure-entry-scripts.md Chinese.
copy files, prepare to translate.
for check
new translation
litter modify
tranlated scructure-applications.md
translated structure-application-components.md.
Merge branch 'master' of github.com:funson86/yii2 into funson

Conflicts:
	docs/guide-zh-CN/structure-application-components.md
	docs/guide-zh-CN/structure-applications.md
	docs/guide-zh-CN/structure-entry-scripts.md
	docs/guide-zh-CN/structure-overview.md