Merge branch 'apache_err_decoder' into 'master'

fix.: set apache error decoder

See merge request !1
diff --git a/apache/files/heka.toml b/apache/files/heka.toml
index 59730af..bff6ff7 100644
--- a/apache/files/heka.toml
+++ b/apache/files/heka.toml
@@ -53,7 +53,7 @@
 
 [Sandbox_apache_error]
 type = "SandboxDecoder"
-filename = "lua_decoders/apache_error.lua"
+filename = "lua_decoders/decoders/apache_error.lua"
 
 [Sandbox_apache_error.config]
 type = "apache_error"