Fix build issues and update to sling 47 (#1)

diff --git a/README.md b/README.md
index f036370..e969bc6 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![Apache Sling](https://sling.apache.org/res/logos/sling.png)](https://sling.apache.org)
 
- [![Build Status](https://ci-builds.apache.org/job/Sling/job/modules/job/sling-org-apache-sling-commons-cache-api/job/master/badge/icon)](https://ci-builds.apache.org/job/Sling/job/modules/job/sling-org-apache-sling-commons-cache-api/job/master/) [![Sonarcloud Status](https://sonarcloud.io/api/project_badges/measure?project=apache_sling-org-apache-sling-commons-cache-api&metric=alert_status)](https://sonarcloud.io/dashboard?id=apache_sling-org-apache-sling-commons-cache-api) [![Contrib](https://sling.apache.org/badges/status-contrib.svg)](https://github.com/apache/sling-aggregator/blob/master/docs/status/contrib.md) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0)
+ [![Build Status](https://ci-builds.apache.org/job/Sling/job/modules/job/sling-org-apache-sling-commons-cache-api/job/master/badge/icon)](https://ci-builds.apache.org/job/Sling/job/modules/job/sling-org-apache-sling-commons-cache-api/job/master/) [![Test Status](https://img.shields.io/jenkins/tests.svg?jobUrl=https://ci-builds.apache.org/job/Sling/job/modules/job/sling-org-apache-sling-commons-cache-api/job/master/)](https://ci-builds.apache.org/job/Sling/job/modules/job/sling-org-apache-sling-commons-cache-api/job/master/test/?width=800&height=600) [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=apache_sling-org-apache-sling-commons-cache-api&metric=coverage)](https://sonarcloud.io/dashboard?id=apache_sling-org-apache-sling-commons-cache-api) [![Sonarcloud Status](https://sonarcloud.io/api/project_badges/measure?project=apache_sling-org-apache-sling-commons-cache-api&metric=alert_status)](https://sonarcloud.io/dashboard?id=apache_sling-org-apache-sling-commons-cache-api) [![JavaDoc](https://www.javadoc.io/badge/org.apache.sling/org.apache.sling.api.svg)](https://www.javadoc.io/doc/org.apache.sling/org.apache.sling.api) [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.sling/org.apache.sling.api/badge.svg)](https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.apache.sling%22%20a%3A%22org.apache.sling.api%22) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0)
 
 # Apache Sling Commons Cache API
 
diff --git a/pom.xml b/pom.xml
index 1abe6e5..d04907f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,48 +22,46 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.apache.sling</groupId>
-        <artifactId>sling</artifactId>
-        <version>16</version>
-        <relativePath/>
+        <artifactId>sling-bundle-parent</artifactId>
+        <version>47</version>
+        <relativePath />
     </parent>
 
     <artifactId>org.apache.sling.commons.cache.api</artifactId>
     <version>0.1-SNAPSHOT</version>
-    <packaging>bundle</packaging>
 
     <name>Apache Sling Commons Cache API</name>
     <description>
-        This bundle porvides a Cache API for Sling applications to use.
+        This bundle provides a Cache API for Sling applications to use.
     </description>
 
+    <properties>
+        <sling.java.version>8</sling.java.version>
+        <project.build.outputTimestamp>1</project.build.outputTimestamp>
+        <bnd.baseline.fail.on.missing>false</bnd.baseline.fail.on.missing>
+    </properties>
+
     <scm>
         <connection>scm:git:https://gitbox.apache.org/repos/asf/sling-org-apache-sling-commons-cache-api.git</connection>
         <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/sling-org-apache-sling-commons-cache-api.git</developerConnection>
         <url>https://gitbox.apache.org/repos/asf?p=sling-org-apache-sling-commons-cache-api.git</url>
+        <tag>HEAD</tag>
     </scm>
-    
 
     <build>
         <plugins>
             <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-                <version>2.3.6</version>
-                <extensions>true</extensions>
-                <configuration>
-                    <instructions>
-                    </instructions>
-                </configuration>
+                <groupId>biz.aQute.bnd</groupId>
+                <artifactId>bnd-maven-plugin</artifactId>
             </plugin>
         </plugins>
     </build>
 
     <dependencies>
-        <!--  used for package-info annotations -->
+        <!-- OSGi Dependencies -->
         <dependency>
-            <groupId>biz.aQute</groupId>
-            <artifactId>bndlib</artifactId>
-            <version>1.50.0</version>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.annotation.versioning</artifactId>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/src/main/java/org/apache/sling/commons/cache/api/package-info.java b/src/main/java/org/apache/sling/commons/cache/api/package-info.java
index e853d9c..4678dc9 100644
--- a/src/main/java/org/apache/sling/commons/cache/api/package-info.java
+++ b/src/main/java/org/apache/sling/commons/cache/api/package-info.java
@@ -20,5 +20,4 @@
 @Version("1.0")
 package org.apache.sling.commons.cache.api;
 
-import aQute.bnd.annotation.Version;
-
+import org.osgi.annotation.versioning.Version;
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