Email over E-mail

While I believe "e-mail" is the actually correct spelling, we tend to
say "email" everywhere else. See:

````
todb@mazikeen:~/git/rapid7/metasploit-framework$ grep -ri "print.*email"
modules/ | wc -l
19
[ruby-2.1.5@metasploit-framework](fixup-grammar)
todb@mazikeen:~/git/rapid7/metasploit-framework$ grep -ri
"print.*e-mail" modules/ | wc -l
1
````

modules/post/windows/gather/credentials/outlook.rb

@@ -125,7 +125,7 @@ class Metasploit3 < Msf::Post
         print_good("Account Found:")
         print_status("     Type: #{type}")
         print_status("     User Display Name: #{displayname}")
-        print_status("     User E-mail Address: #{email}")
+        print_status("     User Email Address: #{email}")
 
         if type == "POP3"
           pop3_pw = get_valdata(k, 'POP3 Password')