Added v and fixed j

- `v` Mimics rupa/v: opens the file with vim using viminfo backend.
- fixed `j` alias to only look for directories

[ticket: X]

modules/fasd/README.md

@@ -16,6 +16,7 @@ Aliases
 -------
 
   - `j` changes the current working directory interactively.
+  - `v` Mimics rupa/v: opens the file with vim using viminfo backend.
 
 Completion
 ----------

modules/fasd/init.zsh

@@ -49,6 +49,6 @@ function fasd_cd {
 # Aliases
 #
 
-# Changes the current working directory interactively.
-alias j='fasd_cd -i'
+alias j='fasd_cd -id'                   # Changes the current working directory interactively.
+alias v='fasd -f -t -e vim -b viminfo'  # Mimics rupa/v: opens the file with vim using viminfo backend.