Remove reading mapping annotations from "Getters" with associated refactoring for performance (#1971)

* #1970 - Change test code only moving mapping annotations to fields

First step in remove support for mapping annotations on "Getters" (so field only target for mapping annotations)

* #1970 - Remove reading mapping annotations from "Getters"

* #1970 - Refactor to use simple annotation lookup where possible

* #1970 - Remove GenerationType.TABLE and SequenceGenerator from type/class

* #1970 - Refactor meta annotation reading

* #1970 - Read @Aggregation as a meta annotation

src/main/java/io/ebeaninternal/server/deploy/parse/InitMetaJacksonAnnotation.java

@@ -0,0 +1,8 @@
+package io.ebeaninternal.server.deploy.parse;
+
+class InitMetaJacksonAnnotation {
+
+  static void init(ReadAnnotationConfig readConfig) {
+    readConfig.addMetaAnnotation(com.fasterxml.jackson.annotation.JacksonAnnotation.class);
+  }
+}