added kate swap file to gitignore
added kate swap file to gitignore

p4u/lime-packages,libremesh/lime-packages,libremesh/lime-packages,p4u/lime-packages,p4u/lime-packages,libremesh/lime-packages,p4u/lime-packages,libremesh/lime-packages,libremesh/lime-packages,p4u/lime-packages,libremesh/lime-packages