thumbnail added+some minor modifications

Author: mahdis-z

_posts/plotly_js/financial/gauge/2015-12-20-indicator_plotly_js_index.html renamed to _posts/plotly_js/financial/indicator1/2015-12-20-indicator_plotly_js_index.html

@@ -1,15 +1,16 @@
 ---
-title: JavaScript Graphing Library D3.js-based Gauge Charts| Examples | Plotly
-name: Gauge Charts
+title: JavaScript Graphing Library D3.js-based Indicator| Examples | Plotly
+name: Indicators
 permalink: javascript/indicator/
 description: How to make a D3.js-based gauge chart in javascript.
 layout: user-guide
-thumbnail: thumbnail/gauge.jpg
+thumbnail: thumbnail/indicator.jpg
 language: plotly_js
+page_type: example_index
 has_thumbnail: true
 display_as: financial
 order: 4
-redirect_from: javascript-graphing-library//indicator
+redirect_from: javascript-graphing-library/indicator
 ---
 {% assign examples = site.posts | where:"language","plotly_js" | where:"suite","indicator" | sort: "order" %}
 {% include auto_examples.html examples=examples %}