keepassx2pass: handle forward slash '/' in titles

Without this, a forward slash in the title creates a new directory
in the password-store. This replaces forward slashes with dashes.

contrib/importers/keepassx2pass.py

@@ -26,7 +26,7 @@ def space_to_camelcase(value):
 
 def cleanTitle(title):
     # make the title more command line friendly
-    title = re.sub("(\\|\||\(|\))", "-", title)
+    title = re.sub("(\\|\||\(|\)|/)", "-", title)
     title = re.sub("-$", "", title)
     title = re.sub("\@", "At", title)
     title = re.sub("'", "", title)