updates d3plus.org links to https

README.md

@@ -6,15 +6,15 @@
 
 <img src="https://raw.githubusercontent.com/alexandersimoes/d3plus/gh-pages/assets/img/facebook.jpg">
 
-| <a href="http://d3plus.org/examples/basic/32517cfde67270c99092/"><img src="https://gist.githubusercontent.com/davelandry/32517cfde67270c99092/raw/thumbnail.png" width="120px"><br>Bar Charts</a> | <a href="http://d3plus.org/examples/basic/9029130/"><img src="https://gist.githubusercontent.com/davelandry/9029130/raw/thumbnail.png" width="120px"><br>Tree Maps</a> | <a href="http://d3plus.org/examples/basic/9029781/"><img src="https://gist.githubusercontent.com/davelandry/9029781/raw/thumbnail.png" width="120px"><br>Scatter Plots</a> | <a href="http://d3plus.org/examples/basic/9029462/"><img src="https://gist.githubusercontent.com/davelandry/9029462/raw/thumbnail.png" width="120px"><br>Stacked Areas</a> | <a href="http://d3plus.org/examples/basic/9037371/"><img src="https://gist.githubusercontent.com/davelandry/9037371/raw/thumbnail.png" width="120px"><br>Line Plots</a> |
+| <a href="https://d3plus.org/examples/basic/32517cfde67270c99092/"><img src="https://gist.githubusercontent.com/davelandry/32517cfde67270c99092/raw/thumbnail.png" width="120px"><br>Bar Charts</a> | <a href="https://d3plus.org/examples/basic/9029130/"><img src="https://gist.githubusercontent.com/davelandry/9029130/raw/thumbnail.png" width="120px"><br>Tree Maps</a> | <a href="https://d3plus.org/examples/basic/9029781/"><img src="https://gist.githubusercontent.com/davelandry/9029781/raw/thumbnail.png" width="120px"><br>Scatter Plots</a> | <a href="https://d3plus.org/examples/basic/9029462/"><img src="https://gist.githubusercontent.com/davelandry/9029462/raw/thumbnail.png" width="120px"><br>Stacked Areas</a> | <a href="https://d3plus.org/examples/basic/9037371/"><img src="https://gist.githubusercontent.com/davelandry/9037371/raw/thumbnail.png" width="120px"><br>Line Plots</a> |
 | :-: | :-: | :-: | :-: | :-: |
-| <a href="http://d3plus.org/examples/basic/9042919/"><img src="https://gist.githubusercontent.com/davelandry/9042919/raw/thumbnail.png" width="120px"><br>**Networks**</a> | <a href="http://d3plus.org/examples/basic/78018ce8c3787d4e30d9/"><img src="https://gist.githubusercontent.com/davelandry/78018ce8c3787d4e30d9/raw/thumbnail.png" width="120px"><br>**Box Plots**</a> | <a href="http://d3plus.org/examples/basic/33fc382f1f1913682ec1/"><img src="https://gist.githubusercontent.com/davelandry/33fc382f1f1913682ec1/raw/thumbnail.png" width="120px"><br>**Pie Charts**</a> | <a href="http://d3plus.org/examples/basic/9042807/"><img src="https://gist.githubusercontent.com/davelandry/9042807/raw/thumbnail.png" width="120px"><br>**Geo Maps**</a> | <a href="http://d3plus.org/examples/basic/b197f489fb0fc2093fee/"><img src="https://gist.githubusercontent.com/davelandry/b197f489fb0fc2093fee/raw/thumbnail.png" width="120px"><br>**Bubbles**</a> |
+| <a href="https://d3plus.org/examples/basic/9042919/"><img src="https://gist.githubusercontent.com/davelandry/9042919/raw/thumbnail.png" width="120px"><br>**Networks**</a> | <a href="https://d3plus.org/examples/basic/78018ce8c3787d4e30d9/"><img src="https://gist.githubusercontent.com/davelandry/78018ce8c3787d4e30d9/raw/thumbnail.png" width="120px"><br>**Box Plots**</a> | <a href="https://d3plus.org/examples/basic/33fc382f1f1913682ec1/"><img src="https://gist.githubusercontent.com/davelandry/33fc382f1f1913682ec1/raw/thumbnail.png" width="120px"><br>**Pie Charts**</a> | <a href="https://d3plus.org/examples/basic/9042807/"><img src="https://gist.githubusercontent.com/davelandry/9042807/raw/thumbnail.png" width="120px"><br>**Geo Maps**</a> | <a href="https://d3plus.org/examples/basic/b197f489fb0fc2093fee/"><img src="https://gist.githubusercontent.com/davelandry/b197f489fb0fc2093fee/raw/thumbnail.png" width="120px"><br>**Bubbles**</a> |
 
 A javascript library that extends the popular [D3.js](http://d3js.org) to enable fast and beautiful visualizations.
 
 ### Helpful Links
-* [Getting Started](http://d3plus.org/blog/getting-started/2014/06/12/getting-started-1/)
-* [Live Examples](http://d3plus.org/examples/)
+* [Getting Started](https://d3plus.org/blog/getting-started/2014/06/12/getting-started-1/)
+* [Live Examples](https://d3plus.org/examples/)
 * [Documentation](https://github.com/alexandersimoes/d3plus/wiki)
 * [Bug Reporting](https://github.com/alexandersimoes/d3plus/issues?state=open)
 * [Google Group Discussions](https://groups.google.com/forum/#!forum/d3plus)