re-adding oval-windows-extension-specification.docx.
Added implementation notes to partition_state and partition_item
noting that not all mount options may be visible in /etc/mtab
and /proc/mounts, and some places to find them.

Fixes issue #133.
Merge remote-tracking branch 'origin/master' into cmaster
Merge pull request #140 from chisholm/master

Pull request for issue #133
closes #87.
Merge branch 'master' of https://github.com/OVALProject/Language
Windows-definitions-schema.xsd
	Element "Process_state"
	Element "priority"
		- oval-sc:EntityItemStringType
		+ type="oval-sc:EntityItemIntType"
		+ The priority value range is from 0 to 31.
	Element "process58_state"
		+ type="oval-sc:EntityItemIntType"
		+ The priority value range is from 0 to 31.

Windows-system-characteristics-schema.xsd
	Element "process_item"
	Element "priority"
		- oval-sc:EntityItemStringType
		+ type="oval-sc:EntityItemIntType"
		+ The priority value range is from 0 to 31.