update log4j to 2.17.0 and update readme (#28)

Author: yeyuqiang

README.md

@@ -12,6 +12,9 @@ This is possible with the hardware-based compression delivered by Intel®
 QuickAssist Technology, which is easy to integrate into existing systems
 and networks using the available Intel drivers and patches.
 
+## Notice
+[Intel QATCodec, version 2.3.0] has been updated to include functional and security updates. Users should update to the latest version.
+
 ## Online Documentation
 
 http://www.intel.com/content/www/us/en/embedded/technology/quickassist/overview.html

columnar_format_qat_wrapper/5.14.2/hive/pom.xml

@@ -158,8 +158,8 @@
     <kryo.version>2.22</kryo.version>
     <libfb303.version>${cdh.thrift.version}</libfb303.version>
     <libthrift.version>${cdh.thrift.version}</libthrift.version>
-    <log4j.version>2.16.0</log4j.version>
-    <log4j-extras.version>2.16.0</log4j-extras.version>
+    <log4j.version>2.17.0</log4j.version>
+    <log4j-extras.version>2.17.0</log4j-extras.version>
     <opencsv.version>2.3</opencsv.version>
     <mockito-all.version>1.9.5</mockito-all.version>
     <mina.version>2.0.0-M5</mina.version>
@@ -168,7 +168,7 @@
     <pig.version>${cdh.pig.version}</pig.version>
     <protobuf.version>${cdh.protobuf.version}</protobuf.version>
     <stax.version>1.0.1</stax.version>
-    <slf4j.version>2.16.0</slf4j.version>
+    <slf4j.version>2.17.0</slf4j.version>
     <ST4.version>4.0.4</ST4.version>
     <tez.version>0.5.2</tez.version>
     <super-csv.version>2.2.0</super-csv.version>

columnar_format_qat_wrapper/5.14.2/parquet-mr/pom.xml

@@ -141,7 +141,7 @@
     <hadoop.version>${cdh.hadoop.version}</hadoop.version>
     <cascading.version>2.5.3</cascading.version>
     <parquet.format.version>${cdh.parquet-format.version}</parquet.format.version>
-    <log4j.version>2.16.0</log4j.version>
+    <log4j.version>2.17.0</log4j.version>
     <previous.version>1.5.0-cdh5.2.0</previous.version>
     <thrift.executable>thrift</thrift.executable>
     <protoc.executable>protoc</protoc.executable>