Added .vimrc with project-specific settings.

Enable this by adding the following lines to your vimrc:

set exrc		" enable per-directory .vimrc files
set secure	" disable unsafe commands in local .vimrc files

See more information at:
http://damien.lespiau.name/blog/2009/03/18/per-project-vimrc/
Total number of foxes = 5, Fox4 = four
Increased pause between callsign and id

Increased pause between callsign and id to full inter-word-space
to make it more easy to distinguish from the callsign when listening.