Create 2013-10-17-xas-software

Create a _post for the Demeter package of software for XAS data analysis and processing, a project from a physicist at the United States' National Institute of Standards and Technology.
make .md extension on _post
trivial spelling correction
added some links to NIST
small edits
typo
added baltimorecounty

added baltimorecounty to the U.S. County list
Merge pull request #218 from baltimorecounty/baltimorecounty

added baltimorecounty to the mix 3rd attempt
Added UK DFID
Merge pull request #219 from DFID/gh-pages

Added UK DFID
update XAS Software post
Merge branch 'XAS_Software' of github.com:bruceravel/government.github.com into XAS_Software

Conflicts:
	_posts/2013-10-17-xas-software.md
more editing
typo
more chnages
more work
Add Swiss OGD repository
Merge pull request #220 from colinfrei/patch-1

Add Swiss OGD repository
Update 2013-10-17-xas-software.md
Update 2013-10-17-xas-software.md