title: scala breeze compilation error
body: <p>I am trying to compile the scala breeze library (release 0.9) with sbt 2.13.
  I am getting the following error:</p>
  
  <pre><code>[info] Loading project definition from C:\scala\breeze-releases-v0.9\project
  
  [info] Set current project to breeze-parent (in build file:/C:/scala/breeze-releases-v0.9/)
  
  [info] Compiling 280 Scala sources to C:\scala\breeze-releases-v0.9\math\target\scala-2.11\classes...
  
  [error] C:\scala\breeze-releases-v0.9\math\src\main\scala\breeze\util\HeapDump.scala:5: object management is not a member of package com.sun
  
  [error] import com.sun.management.HotSpotDiagnosticMXBean
  
  [error] C:\scala\breeze-releases-v0.9\math\src\main\scala\breeze\util\HeapDump.scala:21: not found: type HotSpotDiagnosticMXBean
  
  [error]   private lazy val hotspotMBean: HotSpotDiagnosticMXBean = getHotspotMBean();
  
  [error] C:\scala\breeze-releases-v0.9\math\src\main\scala\breeze\util\HeapDump.scala:38: not found: type HotSpotDiagnosticMXBean
  
  [error]   private def getHotspotMBean():HotSpotDiagnosticMXBean = {
  
  [error] C:\scala\breeze-releases-v0.9\math\src\main\scala\breeze\util\HeapDump.scala:42: not found: type HotSpotDiagnosticMXBean
  
  [error]         HOTSPOT_BEAN_NAME, classOf[HotSpotDiagnosticMXBean]);
  
  [error] four errors found
  </code></pre>
  
  <p>I am on java sdk 1.7.0_02</p>
  
  <p>What should I do?</p>
  
  <p>Thanks,</p>
  
  <p>Mike</p>