[REEF-84] Prepare POMs for release

This addresses the issue by adding scm, issueManagement, and
mailing Lists to the top-level pom.xml and changing
0.10-incubating-SNAPSHOT to 0.10.0-incubating-SNAPSHOT in all POMs.

JIRA: [REEF-84](https://issues.apache.org/jira/browse/REEF-84)

Pull Request: Closes #47

Author:    Byung-Gon Chun <bgchun@apache.org>

Conflicts:
(changed to incubating-0.10.0, removing the SNAPSHOT)
	pom.xml
	reef-annotations/pom.xml
	reef-bridge-project/pom.xml
	reef-bridge-project/reef-bridge-clr/pom.xml
	reef-bridge-project/reef-bridge-java/pom.xml
	reef-bridge-project/reef-bridge/pom.xml
	reef-checkpoint/pom.xml
	reef-common/pom.xml
	reef-examples-clr/pom.xml
	reef-examples-hdinsight/pom.xml
	reef-examples/pom.xml
	reef-io/pom.xml
	reef-poison/pom.xml
	reef-runtime-hdinsight/pom.xml
	reef-runtime-local/pom.xml
	reef-runtime-yarn/pom.xml
	reef-tang/pom.xml
	reef-tang/tang-test-jarA/pom.xml
	reef-tang/tang-test-jarAB/pom.xml
	reef-tang/tang-test-jarB-conflictA/pom.xml
	reef-tang/tang-test-jarB/pom.xml
	reef-tang/tang/pom.xml
	reef-tests/pom.xml
	reef-utils-hadoop/pom.xml
	reef-utils/pom.xml
	reef-wake/pom.xml
	reef-wake/wake/pom.xml
	reef-webserver/pom.xml

cherry-picking commit fa45c5c.
diff --git a/pom.xml b/pom.xml
index b0acfd3..fd09d83 100644
--- a/pom.xml
+++ b/pom.xml
@@ -54,6 +54,30 @@
         <jackson.version>1.9.13</jackson.version>
     </properties>
 
+    <scm>
+        <connection>scm:git:git@github.com:apache/incubator-reef.git</connection>
+        <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-reef.git</developerConnection>
+        <url>scm:git:git@github.com:apache/incubator-reef.git</url>
+        <tag>HEAD</tag>
+    </scm>
+
+    <developers>
+    </developers>
+
+    <issueManagement>
+        <system>JIRA</system>
+        <url>https://issues.apache.org/jira/browse/REEF</url>
+    </issueManagement>
+
+    <mailingLists>
+        <mailingList>
+            <name>Dev Mailing List</name>
+            <post>dev@reef.incubator.apache.org</post>
+            <subscribe>dev-subscribe@reef.incubator.apache.org</subscribe>
+            <unsubscribe>dev-unsubscribe@reef.incubator.apache.org</unsubscribe>
+            <archive>http://mail-archives.apache.org/mod_mbox/incubator-reef-dev/</archive>
+        </mailingList>
+    </mailingLists>
 
     <prerequisites>
         <maven>3.0</maven>