Refactor source code directories

pom.xml

@@ -9,8 +9,8 @@
   <version>1.2.0</version>
 
   <build>
-    <sourceDirectory>src</sourceDirectory>
-    <testSourceDirectory>test</testSourceDirectory>
+    <sourceDirectory>src/main</sourceDirectory>
+    <testSourceDirectory>src/test</testSourceDirectory>
 
     <resources>
       <resource>
@@ -20,7 +20,7 @@
 
     <testResources>
       <testResource>
-        <directory>test</directory>
+        <directory>src/test</directory>
         <excludes>
           <exclude>**/*.java</exclude>
         </excludes>
@@ -83,7 +83,7 @@
             <configuration>
               <transformers>
                 <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-                  <mainClass>main.LispMain</mainClass>
+                  <mainClass>application.LispMain</mainClass>
                 </transformer>
               </transformers>
             </configuration>

src/main/application/LispMain.java

@@ -1,4 +1,4 @@
-package main;
+package application;
 
 import static com.googlecode.lanterna.terminal.IOSafeTerminalAdapter.createRuntimeExceptionConvertingAdapter;
 import static java.text.MessageFormat.format;