Address comments from Ahmed

Change-Id: Iadb5074d030d4f21b2a4133aa405e9fc91f14ced
Reviewed-on: https://asterix-gerrit.ics.uci.edu/482
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/_config.yml b/_config.yml
index e914cdf..3ed0922 100644
--- a/_config.yml
+++ b/_config.yml
@@ -2,12 +2,12 @@
 
 name: "Apache AsterixDB"
 
-STABLE_VERSION: 0.8.6
-UNSTABLE_VERSION: 0.8.7-SNAPSHOT
+STABLE_VERSION: 0.8.7
+UNSTABLE_VERSION: 0.8.8-SNAPSHOT
 STABLE_DOWNLOAD_URL: "http://asterixdb.ics.uci.edu/download/0.8.6/asterix-installer-0.8.6-binary-assembly.zip"
-UNSTABLE_DOWNLOAD_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-test-full/lastStableBuild/org.apache.asterix$asterix-installer/artifact/org.apache.asterix/asterix-installer/0.8.7-SNAPSHOT/asterix-installer-0.8.7-SNAPSHOT-binary-assembly.zip"
+UNSTABLE_DOWNLOAD_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-test-full/lastStableBuild/org.apache.asterix$asterix-installer/artifact/org.apache.asterix/asterix-installer/0.8.8-SNAPSHOT/asterix-installer-0.8.8-SNAPSHOT-binary-assembly.zip"
 STABLE_YARN_URL: ""
-UNSTABLE_YARN_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-test-full/lastStableBuild/org.apache.asterix$asterix-yarn/artifact/org.apache.asterix/asterix-yarn/0.8.7-SNAPSHOT/asterix-yarn-0.8.7-SNAPSHOT-binary-assembly.zip"
+UNSTABLE_YARN_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-test-full/lastStableBuild/org.apache.asterix$asterix-yarn/artifact/org.apache.asterix/asterix-yarn/0.8.8-SNAPSHOT/asterix-yarn-0.8.8-SNAPSHOT-binary-assembly.zip"
 DOCS_BASE_URL: "http://asterixdb.ics.uci.edu/documentation"
 UNSTABLE_DOCS_BASE_URL: "https://asterix-jenkins.ics.uci.edu/job/asterix-test-full/site/asterix-doc"
 ICS_DOWNLOAD_BASE_URL: "https://asterixdb.ics.uci.edu/download"
diff --git a/dev-setup.md b/dev-setup.md
index d1a7ed2..282d6f8 100644
--- a/dev-setup.md
+++ b/dev-setup.md
@@ -32,7 +32,8 @@
 
 ### Prerequisites
   * A suitable \*nix environment (Linux, OSX)
-  * JDK 1.7+
+  * JDK 1.8+
+  * Maven 3.1.1 or greater
   * A relatively recent version of Eclipse
 
 ### Steps