fix(*nix): Keeps only the name of the process

As described in sorellabs/fuck-you#18, OS/X
lists the full path of the proccess in `ps axo pid,comm`. For now we
only care about the name of the process (might add the path later!), so
we make sure that we're only keeping that

lib/linux.js

@@ -7,6 +7,7 @@
 // -- Dependencies -----------------------------------------------------
 var shell = require('./utils').shell;
 var K     = require('core.lambda').constant;
+var path  = require('path');
 
 
 // -- Implementation ---------------------------------------------------
@@ -30,7 +31,7 @@ function list() {
                  if (match == null) {
                    return null;
                  } else {
-                   return { name: match[2], pid: Number(match[1]) };
+                   return { name: path.basename(match[2]), pid: Number(match[1]) };
                  }
                })
                .filter(Boolean);