Rename dot folder in documentation (#421)

diff --git a/org.jacoco.doc/docroot/doc/implementation.html b/org.jacoco.doc/docroot/doc/implementation.html
index 3f4994a..2c9628f 100644
--- a/org.jacoco.doc/docroot/doc/implementation.html
+++ b/org.jacoco.doc/docroot/doc/implementation.html
@@ -3,9 +3,9 @@
 <html xmlns="http://www.w3.org/1999/xhtml" lang="en">
 <head>
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
-  <link rel="stylesheet" href=".resources/doc.css" charset="UTF-8" type="text/css" />
+  <link rel="stylesheet" href="resources/doc.css" charset="UTF-8" type="text/css" />
   <link rel="stylesheet" href="../coverage/jacoco-resources/prettify.css" charset="UTF-8" type="text/css" />
-  <link rel="shortcut icon" href=".resources/report.gif" type="image/gif" />
+  <link rel="shortcut icon" href="resources/report.gif" type="image/gif" />
   <script type="text/javascript" src="../coverage/jacoco-resources/prettify.js"></script>
   <title>JaCoCo - Implementation Design</title>
 </head>
@@ -47,7 +47,7 @@
   diagram gives an overview with the techniques used by JaCoCo highlighted:
 </p>
 
-<img src=".resources/implementation.png" alt="Coverage Implementation Techniques"/>
+<img src="resources/implementation.png" alt="Coverage Implementation Techniques"/>
 
 <p>
   Byte code instrumentation is very fast, can be implemented in pure Java and