title: change the font and colour of the title of the igraph
body: <p>I am building an igraph and like to be able to change the color and font size of the title of the graph.</p>
  
  <pre><code>dput(df)
  structure(list(Month = structure(c(15248, 15522), class = "Date"), 
      Value = c(1, 3)), .Names = c("Month", "Value"), row.names = 1:2, class = "data.frame")
  
  g &lt;- graph.data.frame(df)
  
   plot(g, layout =  layout.kamada.kawai,  vertex.label = V(g)$name,  vertex.label.color= "white",edge.arrow.size=0.5,  edge.curved=T, edge.label=E(g)$Freq, edge.label.color="pink", edge.label.font=5,vertex.shape="circle",edge.color="white", vertex.color="red", asp=0, main="This is my first igraph")
  </code></pre>