Introduce .gitattributes; normalize files.

[ewhac]

Now that FTE has made the transition from Subversion to Git, use a .gitattributes file to handle newline conversions between different platforms. Normalize all relevant text files.

To normalize your local working copy:

• Ensure you have a clean working tree (git stash can help here),
• git pull to this commit.
• Delete all files in your working copy (except for .git* files),
• git checkout -- . This will re-populate your working copy from the git repo with newlines appropriate for your platform.

See gitattributes(7) for more details.