adblock: update to 1.5.1

Apply adblock updates 1.4.10-1.5.1

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

Original commit messages:

adblock: update 1.4.10
- add 'enabled' check to iface hotplug event handler
- decrease startup priority from 99 to 90
- fix tab indentation in config

adblock: update 1.5.0
* add new 'envchk'function to check adblock environment only,
  i.e. check volatile firewall rules or uhttpd instances
  without list updates
* add new optional parm 'adb_loglevel',
  set it to "0" to mute output (print only errors)
* set hotplug priority to '90' as well (missed in the last commit)
* documentation update
* cosmetics

adblock: bugfix 1.5.1
* fix uhttpd detection in tcp 4+6 configurations

net/adblock/Makefile

@@ -7,7 +7,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=adblock
-PKG_VERSION:=1.4.9
+PKG_VERSION:=1.5.1
 PKG_RELEASE:=1
 PKG_LICENSE:=GPL-3.0+
 PKG_MAINTAINER:=Dirk Brenken <dev@brenken.org>
@@ -23,7 +23,7 @@ endef
 
 define Package/$(PKG_NAME)/description
 Powerful adblock script to block ad/abuse domains.
-The script supports 21 domain blacklist sites plus manual black- and whitelist overrides.
+The script supports many domain blacklist sites plus manual black- and whitelist overrides.
 Please see https://github.com/openwrt/packages/blob/master/net/adblock/files/README.md for further information.
 
 endef
@@ -49,7 +49,7 @@ define Package/$(PKG_NAME)/install
 	$(INSTALL_DATA) ./files/adblock-helper.sh $(1)/usr/bin/
 
 	$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
-	$(INSTALL_BIN) ./files/adblock.hotplug $(1)/etc/hotplug.d/iface/99-adblock
+	$(INSTALL_BIN) ./files/adblock.hotplug $(1)/etc/hotplug.d/iface/90-adblock
 
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/adblock.init $(1)/etc/init.d/adblock