adblock: update 1.4.7

Apply adblock update 1.4.5-1.4.7

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

Original commit messages:

adblock: update 1.4.5
* change the default hphosts list source to ad and tracking servers
only, the overall list includes to many false positives
* new optional config parm 'adb_hotplugif' to restrict hotplug support
to a certain wan interface or to disable it at all
* documentation update
* cosmetics

adblock: update 1.4.6
* added a 'window.close()' to adblock landing page to automatically
close any pop-ups that might get loaded with a blocked ad
* simplified dnsmasq check in ap mode

adblock: update 1.4.7
* add a query function to search the active blocklists for a specific
domain (/etc/init.d/adblock query <DOMAIN>)
* fix bug in ap mode/uhttpd port detection
* check general firewall and dnsmasq package dependencies and remove
redundant checks in ap mode

net/adblock/files/adblock.conf

@@ -3,7 +3,7 @@
 
 config adblock 'global'
 	option adb_enabled '1'
-	option adb_cfgver '2.3'
+	option adb_cfgver '2.4'
 	option adb_whitelist '/etc/adblock/adblock.whitelist'
 	option adb_whitelist_rset '\$1 ~/^([A-Za-z0-9_-]+\.){1,}[A-Za-z]+/{print tolower(\"^\"\$1\"\\\|[.]\"\$1)}'
 	option adb_forcedns '1'
@@ -44,9 +44,9 @@ config source 'feodo'
 
 config source 'hphosts'
 	option enabled '0'
-	option adb_src 'https://hosts-file.net/download/hosts.txt'
+	option adb_src 'https://hosts-file.net/ad_servers.txt'
 	option adb_src_rset '\$0 ~/^127\.0\.0\.1[ \t]+([A-Za-z0-9_-]+\.){1,}[A-Za-z]+/{print tolower(\$2)}'
-	option adb_src_desc 'broad blocklist against ad-, tracking- and other malicious hosts, monthly updates, approx. 390.000 entries'
+	option adb_src_desc 'broad blocklist against ad- and tracking hosts, monthly updates, approx. 50.000 entries'
 
 config source 'malware'
 	option enabled '0'