add triggerhappy hotkey daemon

Triggerhappy is a lightweight hotkey daemon that can launch arbitrary commands
on input events. It supports the hotplugging of devices and the processing of
key combinations.

Signed-off-by: Stefan Tomanek <stefan.tomanek+openwrt@wertarbyte.de>

utils/triggerhappy/Makefile

@@ -0,0 +1,51 @@
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=triggerhappy
+PKG_VERSION:=0.1.3
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=http://github.com/wertarbyte/triggerhappy/tarball/release/
+PKG_MD5SUM:=7da137a7d2ba1ce396231e821e68de4e
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/wertarbyte-triggerhappy-f7c4216/
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/triggerhappy
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=handle input events and run configured programs
+  URL:=http://github.com/wertarbyte/triggerhappy
+endef
+
+define Package/triggerhappy/description
+	triggerhappy - handle input events and run configured programs
+	The daemon thd can handle hotplugged input devices and is configured through
+	simple configuration files in /etc/triggerhappy/triggers.d/.
+endef
+
+MAKE_FLAGS += \
+	$(TARGET_CONFIGURE_OPTS) \
+	$(1)
+
+define Package/triggerhappy/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_DIR) $(1)/etc
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_DIR) $(1)/etc/triggerhappy
+	$(INSTALL_DIR) $(1)/etc/triggerhappy/triggers.d/
+	$(INSTALL_DIR) $(1)/etc/hotplug.d/input/
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/thd $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/th-cmd $(1)/usr/sbin
+	$(INSTALL_BIN) ./files/triggerhappy.init $(1)/etc/init.d/triggerhappy
+	$(INSTALL_BIN) ./files/triggerhappy.hotplug $(1)/etc/hotplug.d/input/10-triggerhappy
+	$(INSTALL_BIN) ./files/triggerhappy-example.conf $(1)/etc/triggerhappy/triggers.d/example.conf
+endef
+
+$(eval $(call BuildPackage,triggerhappy))