Convert several short posts to Markdown (#1)

_posts/2014-08-21-bitsquare-protection-mechanisms.md

@@ -4,7 +4,7 @@ title: Bisq protection mechanisms
 author: Manfred Karrer
 banner: null
 ---
-<p>A video going into the details of the Protection Mechanisms system for Bisq:</p>
-<p>
-  <iframe src="//player.vimeo.com/video/110391150" width="640" height="360" frameborder="0" allowfullscreen="allowfullscreen"></iframe>
-</p>
+A video going into the details of the Protection Mechanisms system for Bisq:
+
+<iframe src="//player.vimeo.com/video/110391150" width="640" height="360" frameborder="0" allowfullscreen="allowfullscreen"></iframe>
+

_posts/2014-12-02-concept-overview.md

@@ -4,8 +4,7 @@ title: Concept overview
 author: Lloyd Johnson
 banner: null
 ---
-<p>This video gives a basic overview about the concept behind Bisq.</p>
-<p>
-  <iframe src="//player.vimeo.com/video/113833533" width="640" height="360" frameborder="0" allowfullscreen="allowfullscreen"></iframe>
-</p>
+This video gives a basic overview about the concept behind Bisq:
+
+<iframe src="//player.vimeo.com/video/113833533" width="640" height="360" frameborder="0" allowfullscreen="allowfullscreen"></iframe>
 

_posts/2014-12-04-software-demo.md

@@ -4,8 +4,7 @@ title: Software demo
 author: Manfred Karrer
 banner: null
 ---
-<p>This video gives an overview about the application and guided through the trade process</p>
-<p>
-  <iframe src="//player.vimeo.com/video/113557042" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
-</p>
+This video gives an overview about the application and guided through the trade process:
+
+<iframe src="//player.vimeo.com/video/113557042" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>