JimEvans: msbuild project file update to correct path to NUnit files.
JimEvans: msbuild project file update to correct path to NUnit files.

git-svn-id: 4179480af2c2519a5eb5e1e9b541cbdf5cf27696@8313 07704840-8298-11de-bf8c-fd130f914ac9

epall/selenium,epall/selenium,epall/selenium,epall/selenium,epall/selenium,epall/selenium,epall/selenium,epall/selenium