Add /M (post meme) main menu option to default shell

exec/default.js

@@ -49,6 +49,7 @@ const main_menu = {
 	 'L': { eval: 'bbs.list_msgs()' },
 	'/L': { eval: 'bbs.list_nodes()' },
 	 'M': { eval: 'bbs.time_bank()' },
+	'/M': { exec: 'postmeme.js' },
 	 'N': { eval: 'bbs.scan_subs(SCAN_NEW)'
 			,msg: '\r\n\x01c\x01h' + gettext("New Message Scan") + '\r\n' },
 	'/N': { eval: 'bbs.scan_subs(SCAN_NEW, /* all */true)' },

text/menu/main.msg

@@ -6,7 +6,7 @@
  
h
cL
n
b 
wList/View messages          
h
c/* 
nList groups

b
h 
wOther Commands
 
n
b 
h
cV
n
b 
wView/Vote-in Polls      
h
c{ }  
w# 
nSelect sub-board   
h
b
n
bĿ
  
h
cQ
n
b 
wQWK packet transfer

h
c[ ] 
w/# 
nSelect group

b 
h
cD
n
b 
wDefault user config
-
b 
h
cP
n
b 
wPost a msg or 
h
c/P
noll                               
b 
h
c&
n
b 
wMessage scan config
+
b 
h
cP
n
b 
wPost msg 
h
c/P
noll 
h
c/M
neme                              
b 
h
c&
n
b 
wMessage scan config
 
b 
h
cA
n
b 
wPost auto-message

b
h 
wGo to

n
b 
h
cU
n
b 
wUser lists
 
b

h
n
bĿ
 
h
cI
n
b 
wInformation
  
b
h 
wMessage Search

n
b 
h
cT
n
b 
wFile Transfer section  
b
h
c/A
n
b 
wChange your avatar