Merge pull request #11 from wendycan/master

Update doc for search behavior
Update searching.cn.html.md
Update searching.cn.html.md

delete unnecessary space
delete unnecessary space
add filter
Merge pull request #12 from graygrey/master

delete unnecessary space and ad
add description about "c"
Merge branch 'filter'

Conflicts:
	source/localizable/v1/searching.cn.html.md
add marker for filters
add ids filter
fix quote error
Update doc for custom search
Merge branch 'master' of https://github.com/tinysou/doc.tinysou.com