Fix message matcher for AFD filters
The AFD filters should match all the types of metrics. In particular,
the previous code missed 'multivalue_metric' messages.
diff --git a/heka/files/toml/filter/afd_alarm.toml b/heka/files/toml/filter/afd_alarm.toml
index 5fefb2d..9da7248 100644
--- a/heka/files/toml/filter/afd_alarm.toml
+++ b/heka/files/toml/filter/afd_alarm.toml
@@ -2,7 +2,7 @@
type = "SandboxFilter"
filename = "/usr/share/lma_collector/filters/afd.lua"
preserve_data = {{ alarm.preserve_data|default(False)|lower }}
-message_matcher = "(Type == 'metric' || Type == 'heka.sandbox.metric') && ({{ salt['heka_alarming.alarm_message_matcher'](alarm, trigger) }})"
+message_matcher = "Type =~ /metric$/ && ({{ salt['heka_alarming.alarm_message_matcher'](alarm, trigger) }})"
module_directory = "/usr/share/lma_collector/common;/usr/share/heka/lua_modules"
ticker_interval = 10