Determine minimum header size more accurately
Update footer links
Update README links
Update help and 404 page links
Merge pull request #43 from tms/shrunken-headers

Determine minimum header size more accurately
Merge pull request #44 from tms/the-splittening

Update footer links
MSO/MSE split - associated renames and changes

meta.stackoverflow.com was changed to meta.stackechange.com