Fix spelling mistakes in comments and descriptions

Thanks, codespell!

plugins/router/ag241-adsl

@@ -38,10 +38,10 @@ require 'net/http'
 host = nil
 port = ENV['port'] || 80
 user = ENV['user'] || 'admin'
-pass = ENV['pass'] || 'forhax' #dont remember what the default admin password was
+pass = ENV['pass'] || 'forhax' #don't remember what the default admin password was
 stat = nil
 
-# Check executeable "name" for parameter count
+# Check executable "name" for parameter count
 params = $0.split('_')
 if params.size != 3
 	puts "Incorrect number of parameters"
@@ -100,7 +100,7 @@ if response.code != '200'
 	case response.code
 		when '401'
 			puts 'Probably because the username and password are incorrect'
-		#Looks like the modem respons with 200 when you try to access a page that doesnt exist >_>
+		#Looks like the modem response with 200 when you try to access a page that does not exist >_>
 		#when '404'
 		#	puts 'Looks like the page this plugin needs isn\'t available...'
 		#	puts 'Check your modem make/model/version'

plugins/router/d-link-dir-655-router-statistics-plugin

@@ -44,7 +44,7 @@ def output
   x = agent.get(router_path)
   salt = x.body.match(/salt = "(.*)"/)[1]
 
-  # pad the pasword to length 16
+  # pad the password to length 16
   pad_size = (16 - password.length)
   padded_password = password + "\x01" * pad_size
 

plugins/router/freeboxuptime

@@ -30,7 +30,7 @@
 # by using nmap on a specific tcp port, the detection is pretty fast (2-5 seconds)
 # with this command: nmap -O --osscan-guess -p80 remote_host
 #
-# if you dont want nmap to query your freebox each time, set CACHE_HOURS=n
+# if you don't want nmap to query your freebox each time, set CACHE_HOURS=n
 # to keep the uptime in cache for n hours
 # if not, set CACHE_HOURS=0
 #

plugins/router/tg585v7__

@@ -800,7 +800,7 @@ EOF
         }
         else {
             print <<EOF
-graph_vlabel Packets/Conections per \${graph_period}
+graph_vlabel Packets/Connections per \${graph_period}
 graph_category network
 graph_title TCP protocol
 graph_info TCP protocol statistics for your Router on $host