title: problems with rscala download
body: <p>I am trying to download rscala on r 3.3.2</p>
  
  <p>Tha't the message that I am getting:</p>
  
  <ul>
  <li>installing <em>source</em> package 'rscala' ...
  ** package 'rscala' successfully unpacked and MD5 sums checked
  Warning: running command 'sh ./configure.win' had status 127
  ERROR: configuration failed for package 'rscala'</li>
  <li>removing 'C:/Users/deebb/OneDrive/Documents/R/win-library/3.3/rscala'
  Warning in install.packages :
  running command '"C:/PROGRA~1/R/R-33~1.2/bin/x64/R" CMD INSTALL -l "C:\Users\deebb\OneDrive\Documents\R\win-library\3.3" C:\Users\deebb\AppData\Local\Temp\RtmpgXcsFp/downloaded_packages/rscala_3.2.6.tar.gz' had status 1
  Warning in install.packages :
  installation of package ‘rscala’ had non-zero exit status</li>
  </ul>
  
  <p>Any idea?</p>