update release note for V1.1.2.0

Author: bocaph

README

@@ -18,6 +18,7 @@ Please refer to the below URL
 =======================================================
 History
 
+2017-03-10 V1.1.2.0 release
 2015-12-10 V1.1.1.1 release
 2015-12-07 V1.1.1.0 release 
 2015-06-05 V1.1.0.0 release

RELEASE-NOTE.TXT

@@ -1,3 +1,16 @@
+Release v1.1.2.0
+
+This release contains following changes.
+  - Added support for RHEL7.
+  - Added support for PostgreSQL 9.5.
+  - cipher_setup.sh: ERROR when validate/invalidate TDE feature to database
+    which already done, now change to WARNING level with return code 0.
+  - cipher_setup.sh: Security enhancement when activating TDE feature.
+ 
+Migration to Version V1.1.2.0
+   A dump/restore using pg_dump and pg_restore is required.
+   Please refer to the manual in wiki or UPGRADE-GUIDE.TXT
+
 Release v1.1.1.1
 
 This release contains a fix from 1.1.1.0.