[maven-release-plugin] prepare release apache-arrow-0.8.0

Change-Id: Ia6278e52e2669880cbe32d79bd2fcda48951d3fa

Author: wesm

java/format/pom.xml

@@ -15,7 +15,7 @@
 <parent>
   <artifactId>arrow-java-root</artifactId>
   <groupId>org.apache.arrow</groupId>
-  <version>0.8.0-SNAPSHOT</version>
+  <version>0.8.0</version>
 </parent>
 
 <artifactId>arrow-format</artifactId>

java/memory/pom.xml

@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>0.8.0-SNAPSHOT</version>
+    <version>0.8.0</version>
   </parent>
   <artifactId>arrow-memory</artifactId>
   <name>Arrow Memory</name>

java/pom.xml

@@ -20,7 +20,7 @@
 
   <groupId>org.apache.arrow</groupId>
   <artifactId>arrow-java-root</artifactId>
-  <version>0.8.0-SNAPSHOT</version>
+  <version>0.8.0</version>
   <packaging>pom</packaging>
 
   <name>Apache Arrow Java Root POM</name>
@@ -44,7 +44,7 @@
     <connection>scm:git:https://github.com/apache/arrow.git</connection>
     <developerConnection>scm:git:https://github.com/apache/arrow.git</developerConnection>
     <url>https://github.com/apache/arrow</url>
-    <tag>apache-arrow-0.7.1</tag>
+    <tag>apache-arrow-0.8.0</tag>
   </scm>
 
   <mailingLists>

java/tools/pom.xml

@@ -14,7 +14,7 @@
     <parent>
         <groupId>org.apache.arrow</groupId>
         <artifactId>arrow-java-root</artifactId>
-        <version>0.8.0-SNAPSHOT</version>
+        <version>0.8.0</version>
     </parent>
     <artifactId>arrow-tools</artifactId>
     <name>Arrow Tools</name>

java/vector/pom.xml

@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.arrow</groupId>
     <artifactId>arrow-java-root</artifactId>
-    <version>0.8.0-SNAPSHOT</version>
+    <version>0.8.0</version>
   </parent>
   <artifactId>arrow-vector</artifactId>
   <name>Arrow Vectors</name>