fixed the page header for session sticky module
translate all the MS-DOS format docs to UNIX format

All the changes are replacing '\r\n' to be '\n'.
Merge remote-tracking branch 'origin/master' into update_20130326

Conflicts:
	document/http_sysguard.html
	document_cn/http_sysguard_cn.html
Merge pull request #45 from yaoweibin/update_20130326

Update 20130326