csl: bump lib versions

RB_ID=756082
TBR=true

Author: Ruben Oanta

CHANGES

@@ -6,6 +6,8 @@ Note that ``RB_ID=#`` correspond to associated messages in commits.
 
 Next Version
 
+6.29.0  2015-10-15
+
 New Features:
 
   * util-core: Introduce an optional max capacity to `AsyncQueue`.

project/Build.scala

@@ -8,7 +8,7 @@ object Util extends Build {
   val branch = Process("git" :: "rev-parse" :: "--abbrev-ref" :: "HEAD" :: Nil).!!.trim
   val suffix = if (branch == "master") "" else "-SNAPSHOT"
 
-  val libVersion = "6.28.0" + suffix
+  val libVersion = "6.29.0" + suffix
   val zkVersion = "3.5.0-alpha"
   val zkDependency = "org.apache.zookeeper" % "zookeeper" % zkVersion excludeAll(
     ExclusionRule("com.sun.jdmk", "jmxtools"),