Move compiler-weaver.adoc up one directory level

Also rename ADOC on the way and move images to subdirectory.
This makes the Maven Resource execution superfluous.

TODO: Adjust image links in compiler-weaver.adoc in next commit.
Signed-off-by: Alexander Kriegisch <Alexander@Kriegisch.name>

docs/developer/design-overview.adoc

@@ -23,7 +23,7 @@ longer and are more likely to introduce new 'bugs'."
 ATTENTION: Please do not remove blank lines in between 'include::' statements. Otherwise, section numbers in the
 table of contents (TOC) can be wrong and the first section of each document missing completely.
 ////
-include::compiler-weaver/index.adoc[Guide for Developers of the AspectJ Compiler and Weaver]
+include::compiler-weaver.adoc[Guide for Developers of the AspectJ Compiler and Weaver]
 
 include::modules.adoc[Module Structure]
 

docs/pom.xml

@@ -22,30 +22,6 @@
 
       <build>
         <plugins>
-          <plugin>
-            <groupId>org.apache.maven.plugins</groupId>
-            <artifactId>maven-resources-plugin</artifactId>
-            <executions>
-              <execution>
-                <id>copy-images-compiler-weaver</id>
-                <phase>generate-resources</phase>
-                <goals>
-                  <goal>copy-resources</goal>
-                </goals>
-                <configuration>
-                  <outputDirectory>${project.build.directory}/html/developer</outputDirectory>
-                  <resources>
-                    <resource>
-                      <directory>${project.basedir}/developer/compiler-weaver</directory>
-                      <includes>
-                        <include>*.gif</include>
-                      </includes>
-                    </resource>
-                  </resources>
-                </configuration>
-              </execution>
-            </executions>
-          </plugin>
           <plugin>
             <groupId>org.asciidoctor</groupId>
             <artifactId>asciidoctor-maven-plugin</artifactId>