JOHNZON-174 fixing wrong OSGi imports

The wrong imports have most probably been caused by JAX-RS-2.0 spec api imports
Updated those to  2.1
diff --git a/johnzon-jaxrs/pom.xml b/johnzon-jaxrs/pom.xml
index 8bd33ae..49205f2 100644
--- a/johnzon-jaxrs/pom.xml
+++ b/johnzon-jaxrs/pom.xml
@@ -30,10 +30,11 @@
 
   <dependencies>
     <dependency>
-      <groupId>javax.ws.rs</groupId>
-      <artifactId>javax.ws.rs-api</artifactId>
-      <version>2.0</version>
+      <groupId>org.apache.geronimo.specs</groupId>
+      <artifactId>geronimo-jaxrs_2.1_spec</artifactId>
+      <version>1.0</version>
       <scope>provided</scope>
+      <optional>true</optional>
     </dependency>
 
     <dependency>
diff --git a/johnzon-jsonb/pom.xml b/johnzon-jsonb/pom.xml
index e265ef7..b08f979 100644
--- a/johnzon-jsonb/pom.xml
+++ b/johnzon-jsonb/pom.xml
@@ -43,8 +43,8 @@
     </dependency>
     <dependency>
       <groupId>org.apache.geronimo.specs</groupId>
-      <artifactId>geronimo-jaxrs_2.0_spec</artifactId>
-      <version>1.0-alpha-1</version>
+      <artifactId>geronimo-jaxrs_2.1_spec</artifactId>
+      <version>1.0</version>
       <scope>provided</scope>
       <optional>true</optional>
     </dependency>