added Icon? to gitignore, updated pom

.gitignore

@@ -32,4 +32,5 @@ build/
 .vscode/
 
 ### Mac OS ###
-**/.DS_Store
\ No newline at end of file
+**/.DS_Store
+Icon?
\ No newline at end of file

pom.xml

@@ -8,12 +8,12 @@
     <parent>
         <groupId>org.bioimageanalysis.icy</groupId>
         <artifactId>pom-icy</artifactId>
-        <version>3.0.0</version>
+        <version>3.0.0-a.1</version>
     </parent>
 
     <!-- Project Information -->
     <artifactId>kernel-extensions</artifactId>
-    <version>1.0.0</version>
+    <version>1.0.0-a.1</version>
 
     <name>Kernel Extensions</name>
     <description>Contains basics stuff for Icy</description>
@@ -76,13 +76,4 @@
             </plugin>
         </plugins>
     </build>-->
-
-    <!-- Icy Maven repository (to find parent POM) -->
-    <repositories>
-        <repository>
-            <id>icy</id>
-            <name>Icy's Nexus</name>
-            <url>https://icy-nexus.pasteur.fr/repository/Icy/</url>
-        </repository>
-    </repositories>
 </project>
\ No newline at end of file