enh - stub images and cron script for masternode chart backend pull

_config.yml

@@ -13,6 +13,7 @@ exclude:
   - Gemfile
   - Gemfile.lock
   - package.json
+  - cron/
 paginate: 12
 paginate_path: "/blog/page:num/"
 name: Dash

cron/pull_and_resize_masternode_graph.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# pull hourly-updated http-only masternode count image
+# resize, removing shadow
+# place
+# requires imagemagick 
+# invoked */10 by cron
+
+FILE=masternode_count.png
+
+rm -f /tmp/$FILE
+
+wget -q http://178.254.23.111/~pub/masternode_count.png -O /tmp/$FILE
+
+convert /tmp/masternode_count.png -crop 813x525+6+6 /tmp/masternode_count-crop-813x525.png
+
+cp -f /tmp/masternode_count-crop-813x525.png /home/ubuntu/broadcast/assets/img/masternode_count-crop-813x525.png

index.html

@@ -265,7 +265,7 @@ description: pages.home.description
 					<img src="/assets/img/home/graph.png" alt="{% t pages.home.network-growth-heading %}">
 				</div-->
 				<div class="col-sm-6 home-network-graphic-live">
-					<img src="http://178.254.23.111/~pub/masternode_count.png" alt="{% t pages.home.network-growth-heading %}">
+					<img src="/assets/img/masternode_count-crop-813x525.png" alt="{% t pages.home.network-growth-heading %}">
 				</div>
 			</div>
 		</div>

network/index.html

@@ -78,7 +78,7 @@ description: pages.currency.description
 			Maximum masternodes so far: <span id="masternodes_max"></span>
 		</p>
 		<p>
-			<img src="http://178.254.23.111/~pub/masternode_count.png">
+			<img src="/assets/img/masternode_count-crop-813x525.png">
 		</p>
 	</section>