Add check for files/ , write img_magick details to config table, missed couple of lang strings

git-svn-id: file:///svn/phpbb/trunk@4165 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/language/en/lang_admin.php

@@ -1134,6 +1134,8 @@ $lang = array_merge($lang, array(
 	'SCRIPT_PATH_EXPLAIN'	=> 'The path where phpBB2 is located relative to the domain name',
 	'SERVER_PORT'			=> 'Server port',
 	'SERVER_PORT_EXPLAIN'	=> 'The port your server is running on, usually 80, only change if different',
+	'INSTALL_TEST'	=> 'Test Again', 
+	'INSTALL_NEXT'	=> 'Next Stage', 
 	'INSTALL_START'	=> 'Start Install', 
 
 	'INSTALL_SEND_CONFIG'	=> 'Unfortunately phpBB could not write the configuration information directly to your config.php. This may be because the file does not exist or is not writeable. A number of options will be listed below enabling you to complete installation of config.php.', 

phpBB/language/en/lang_main.php

@@ -243,6 +243,7 @@ $lang = array(
 	'BOARD_BAN_PERM'	=> 'You have been <b>permanently</b> banned from this board.<br /><br />Please contact the %2$sBoard Administrator%3$s for more information.', 
 	'BOARD_BAN_REASON'	=> 'Reason given for ban: <b>%s</b>', 
 	'EMAIL_DISABLED'	=> 'Sorry but all email related functions have been disabled.', 
+	'REMOVE_INSTALL'	=> 'Please delete, move or rename the install directory.', 
 
 	'G_ADMINISTRATORS' 	=> 'ADMINISTRATORS',
 	'G_SUPER_MODERATORS'=> 'SUPER MODERATORS',