Add testcase for conditional packages with bnd-process

This adds a testacse where conditional package is used with  bnd-process

Signed-off-by: Christoph Läubrich <laeubi@laeubi-soft.de>

maven-plugins/bnd-maven-plugin/src/it/bnd-process-conditional/README.txt

@@ -0,0 +1,5 @@
+This is an example bundle that used bnd-process together with conditional package.
+
+Points of interest:
+
+* the conditional packages apaer in the maven output folder

maven-plugins/bnd-maven-plugin/src/it/bnd-process-conditional/invoker.properties

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+invoker.goals=--no-transfer-progress package
+
+# Run mvn with --debug for debug logging
+#invoker.debug=true
+
+# Run mvn in debugging mode and wait for a debugger to attach
+#invoker.environmentVariables.MAVEN_DEBUG_OPTS=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=8000

maven-plugins/bnd-maven-plugin/src/it/bnd-process-conditional/other.bnd

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+-conditionalpackage: com.google.common.cache

maven-plugins/bnd-maven-plugin/src/it/bnd-process-conditional/pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>biz.aQute.bnd-test</groupId>
+		<artifactId>test</artifactId>
+		<version>0.0.2</version>
+		<relativePath>../process-parent</relativePath>
+	</parent>
+	<artifactId>test-bnd-process-conditional</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<licenses>
+		<license>
+			<name>Apache License, Version 2.0</name>
+			<url>http://www.opensource.org/licenses/apache2.0.php</url>
+			<distribution>repo</distribution>
+		</license>
+	</licenses>
+	<dependencies>
+		<dependency>
+				<groupId>com.google.guava</groupId>
+				<artifactId>guava</artifactId>
+				<version>32.0.1-jre</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>biz.aQute.bnd</groupId>
+				<artifactId>bnd-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

maven-plugins/bnd-maven-plugin/src/it/bnd-process-conditional/postbuild.groovy

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+import java.util.jar.JarFile;
+import java.util.jar.JarEntry
+
+JarFile jar = new JarFile( new File(basedir, 'target/test-bnd-process-conditional-0.0.1-SNAPSHOT.jar'))
+JarEntry entry = jar.getEntry('com/google/common/cache/Cache.class')
+assert entry != null

maven-plugins/bnd-maven-plugin/src/it/bnd-process-conditional/src/main/java/org/example/impl/Config.java

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+package org.example.impl;
+
+import java.util.concurrent.TimeUnit;
+
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+
+public class Config {
+	public static void main(String[] args) {
+		Cache<String, String> myCache = CacheBuilder.newBuilder().maximumSize(100)
+				.expireAfterWrite(30, TimeUnit.SECONDS).build();
+	}
+}