Nuke unwanted vim swap file

Signed-off-by: Jacques Marneweck <jacques@powertrip.co.za>
Ingore vim swap files

Signed-off-by: Jacques Marneweck <jacques@powertrip.co.za>
Merge pull request #1 from jacques/master

Get rid of an unwanted vim swapfile (and added *.swp to .gitignore)