title: How to have R corrplot title position correct?
body: <p>Code and its output where title is wrongly positioned outside the window page:</p>
  
  <pre><code>library('corrplot')
  
  #options(error=recover) # http://stackoverflow.com/a/15031603/54964
  #debugger()
  # load("last.dump.rda"); debugger(last.dump) # run if fail
  options(error=function() dump.frames(to.file=TRUE))
  
  # http://www.sthda.com/english/wiki/visualize-correlation-matrix-using-correlogram
  cor.mtest &lt;- function(mat, ...) {
      mat &lt;- as.matrix(mat)
      n &lt;- ncol(mat)
      p.mat&lt;- matrix(NA, n, n)
      diag(p.mat) &lt;- 0
      for (i in 1:(n - 1)) {
          for (j in (i + 1):n) {
              tmp &lt;- cor.test(mat[, i], mat[, j], ...)
              p.mat[i, j] &lt;- p.mat[j, i] &lt;- tmp$p.value
          }
      }
    colnames(p.mat) &lt;- rownames(p.mat) &lt;- colnames(mat) 
    p.mat
  }
  
  M &lt;- cor(mtcars)
  
  p.mat &lt;- cor.mtest(M)
  
  title &lt;- "ECG p-value significance"
  col &lt;- colorRampPalette(c("#BB4444", "#EE9988", "#FFFFFF", "#77AADD", "#4477AA"))
  corrplot(M, method="color", col=col(200),  
       diag=FALSE, # tl.pos="d", 
           type="upper", order="hclust", 
       title=title, 
           addCoef.col = "black", # Add coefficient of correlation
           # Combine with significance
           p.mat = p.mat, sig.level = 0.05, insig = "blank" 
           # hide correlation coefficient on the principal diagonal
           )
  </code></pre>
  
  <p>Fig. 1 Output</p>
  
  <p><a href="https://i.stack.imgur.com/ocEfX.png" rel="noreferrer"><img src="https://i.stack.imgur.com/ocEfX.png" alt="enter image description here"></a></p>
  
  <p>R: 3.3.1<br>
  OS: Debian 8.5<br>
  Related ticket: <a href="https://github.com/taiyun/corrplot/issues/72" rel="noreferrer">#72</a>    </p>