Cleanup changes and update catalog version
diff --git a/CHANGES b/CHANGES
index 2c32817..25e5f74 100644
--- a/CHANGES
+++ b/CHANGES
@@ -411,12 +411,10 @@
 
   SUB TASKS
 
-<<<<<<< HEAD
     TAJO-1302: Support index metadata backup and restore. (jihoon)
-=======
+
     TAJO-1484 Apply on ColPartitionStoreExec. (Contributed by Navis, 
     committed by hyunsik)
->>>>>>> bcec5eb7e247dc983184b37a3dbb4143afd19ac8
 
     TAJO-1464: Add ORCFileScanner to read ORCFile table. (Contributed by 
     Jongyoung Park, Committed by jihoon)
diff --git a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/derby/derby.xml b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/derby/derby.xml
index 196a4a8..7ed9118 100644
--- a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/derby/derby.xml
+++ b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/derby/derby.xml
@@ -19,12 +19,14 @@
 <tns:store xmlns:tns="http://tajo.apache.org/catalogstore" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://tajo.apache.org/catalogstore ../DBMSSchemaDefinition.xsd ">
   <!--
       Catalog base version history
+      * 6 - 2015-07-24: Merge the index branch into the master branch (TAJO-1300)
+      * 5 - 2015-06-15: Implement TablespaceManager to load Tablespaces (TAJO-1616)
       * 4 - 2015-03-27: Partition Schema (TAJO-1284)
       * 3 - 2015-03-12: Nested Schema (TAJO-1329)
       * 2 - 2014-06-09: First versioning
       * 1-  Before 2013-03-20
     -->
-	<tns:base version="5">
+	<tns:base version="6">
 		<tns:objects>
 			<tns:Object order="0" type="table" name="META">
 				<tns:sql><![CDATA[CREATE TABLE META (VERSION INT NOT NULL)]]></tns:sql>
diff --git a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mariadb/mariadb.xml b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mariadb/mariadb.xml
index e607baa..8750d2b 100644
--- a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mariadb/mariadb.xml
+++ b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mariadb/mariadb.xml
@@ -19,13 +19,14 @@
 <tns:store xmlns:tns="http://tajo.apache.org/catalogstore" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://tajo.apache.org/catalogstore ../DBMSSchemaDefinition.xsd ">
   <!--
       Catalog base version history
+      * 6 - 2015-07-24: Merge the index branch into the master branch (TAJO-1300)
       * 5 - 2015-06-15: Implement TablespaceManager to load Tablespaces (TAJO-1616)
       * 4 - 2015-03-27: Partition Schema (TAJO-1284)
       * 3 - 2015-03-12: Nested Schema (TAJO-1329)
       * 2 - 2014-06-09: First versioning
       * 1-  Before 2013-03-20
     -->
-  <tns:base version="5">
+  <tns:base version="6">
     <tns:objects>
       <tns:Object order="0" type="table" name="META">
         <tns:sql><![CDATA[CREATE TABLE META (VERSION INT NOT NULL)]]></tns:sql>
diff --git a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mysql/mysql.xml b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mysql/mysql.xml
index 809f42f..763d0f7 100644
--- a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mysql/mysql.xml
+++ b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/mysql/mysql.xml
@@ -19,13 +19,14 @@
 <tns:store xmlns:tns="http://tajo.apache.org/catalogstore" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://tajo.apache.org/catalogstore ../DBMSSchemaDefinition.xsd ">
   <!--
     Catalog base version history
+    * 6 - 2015-07-24: Merge the index branch into the master branch (TAJO-1300)
     * 5 - 2015-06-15: Implement TablespaceManager to load Tablespaces (TAJO-1616)
     * 4 - 2015-03-27: Partition Schema (TAJO-1284)
     * 3 - 2015-03-12: Nested Schema (TAJO-1329)
     * 2 - 2014-06-09: First versioning
     * 1-  Before 2013-03-20
   -->
-  <tns:base version="5">
+  <tns:base version="6">
     <tns:objects>
       <tns:Object order="0" type="table" name="META">
         <tns:sql><![CDATA[CREATE TABLE META (VERSION INT NOT NULL)]]></tns:sql>
diff --git a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/oracle/oracle.xml b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/oracle/oracle.xml
index f105c36..3d8ef30 100644
--- a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/oracle/oracle.xml
+++ b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/oracle/oracle.xml
@@ -19,13 +19,14 @@
 <tns:store xmlns:tns="http://tajo.apache.org/catalogstore" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://tajo.apache.org/catalogstore ../DBMSSchemaDefinition.xsd ">
   <!--
       Catalog base version history
+      * 6 - 2015-07-24: Merge the index branch into the master branch (TAJO-1300)
       * 5 - 2015-06-15: Implement TablespaceManager to load Tablespaces (TAJO-1616)
       * 4 - 2015-03-27: Partition Schema (TAJO-1284)
       * 3 - 2015-03-12: Nested Schema (TAJO-1329)
       * 2 - 2014-06-09: First versioning
       * 1-  Before 2013-03-20
     -->
-  <tns:base version="5">
+  <tns:base version="6">
     <tns:objects>
   		<tns:Object order="0" type="table" name="meta">
   			<tns:sql><![CDATA[
diff --git a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/postgresql/postgresql.xml b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/postgresql/postgresql.xml
index cab3c12..0dd72b9 100644
--- a/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/postgresql/postgresql.xml
+++ b/tajo-catalog/tajo-catalog-server/src/main/resources/schemas/postgresql/postgresql.xml
@@ -21,6 +21,7 @@
 xsi:schemaLocation="http://tajo.apache.org/catalogstore ../DBMSSchemaDefinition.xsd ">
   <!--
       Catalog base version history
+      * 6 - 2015-07-24: Merge the index branch into the master branch (TAJO-1300)
       * 5 - 2015-06-15: Implement TablespaceManager to load Tablespaces (TAJO-1616)
       * 5 - 2015-06-15: Implement TablespaceManager to load Tablespaces (TAJO-1616)
       * 4 - 2015-03-27: Partition Schema (TAJO-1284)
@@ -28,7 +29,7 @@
       * 2 - 2014-06-09: First versioning
       * 1-  Before 2013-03-20
     -->
-	<tns:base version="5">
+	<tns:base version="6">
 		<tns:objects>
 			<tns:Object name="META" type="table" order="0">
 				<tns:sql><![CDATA[CREATE TABLE META (VERSION INT NOT NULL)]]></tns:sql>