Added PrunedBlockchain rpc command

_includes/devdoc/bitcoin-core/rpcs/rpcs/pruneblockchain.md

@@ -0,0 +1,54 @@
+{% comment %}
+This file is licensed under the MIT License (MIT) available on
+http://opensource.org/licenses/MIT.
+{% endcomment %}
+{% assign filename="_includes/devdoc/bitcoin-core/rpcs/rpcs/pruneblockchain.md" %}
+
+##### PruneBlockChain
+{% include helpers/subhead-links.md %}
+
+{% assign summary_pruneBlockChain="prunes the blockchain up to a specified height or timestamp." %}
+
+{% autocrossref %}
+
+*Added in Bitcoin Core 0.14.0*
+
+The `pruneblockchain` RPC {{summary_pruneBlockChain}} The `-prune` option needs to be enabled (disabled by default).
+
+*Parameter #1---the block height or timestamp*
+
+{% itemplate ntpd1 %}
+- n: "Height"
+  t: "number (int)"
+  p: "Required<br>(exactly 1)"
+  d: "The block height to prune up to. May be set to a discrete height, or a unix timestamp to prune blocks whose block time is at least 2 hours older than the provided timestamp"
+
+{% enditemplate %}
+
+*Result---the height of the last block pruned*
+
+{% itemplate ntpd1 %}
+- n: "`result`"
+  t: "number (int)"
+  p: "Required<br>(exactly 1)"
+  d: "The height of the last block pruned"
+
+{% enditemplate %}
+
+*Examples from Bitcoin Core 0.14.1*
+
+{% highlight bash %}
+bitcoin-cli pruneblockchain 413555
+{% endhighlight %}
+
+Result:
+
+{% highlight text %}
+413555
+{% endhighlight %}
+
+*See also*
+
+* [ImportPrunedFunds][rpc importprunedfunds]: {{summary_importPrunedFunds}}
+
+{% endautocrossref %}