Add CHANGES-fs-encryption.txt to Common and HDFS

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/fs-encryption@1595304 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES-fs-encryption.txt

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+Hadoop Common Change Log for HDFS-6134 and HADOOP-10150
+
+fs-encryption (Unreleased)
+
+  INCOMPATIBLE CHANGES
+
+  NEW FEATURES
+
+  IMPROVEMENTS
+
+  OPTIMIZATIONS
+
+  BUG FIXES

hadoop-hdfs-project/hadoop-hdfs/CHANGES-fs-encryption.txt

@@ -0,0 +1,13 @@
+Hadoop HDFS Change Log for HDFS-6134 and HADOOP-10150
+
+fs-encryption (Unreleased)
+
+  INCOMPATIBLE CHANGES
+
+  NEW FEATURES
+
+  IMPROVEMENTS
+
+  OPTIMIZATIONS
+
+  BUG FIXES