Added package-info.java files to explain package purposes.

spring-data-commons-core/src/main/java/org/springframework/data/domain/package-info.java

@@ -0,0 +1,7 @@
+/**
+ * Central domain abstractions especially to be used in combination with the {@link org.springframework.data.repository.Repository} abstraction.
+ * 
+ * @see org.springframework.data.repository.Repository
+ */
+package org.springframework.data.domain;
+

spring-data-commons-core/src/main/java/org/springframework/data/repository/config/package-info.java

@@ -0,0 +1,5 @@
+/**
+ * Base classes for repository namespace implementations. 
+ */
+package org.springframework.data.repository.config;
+

spring-data-commons-core/src/main/java/org/springframework/data/repository/package-info.java

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+/**
+ * Central interfaces for repository abstraction.
+ */
+package org.springframework.data.repository;
+

spring-data-commons-core/src/main/java/org/springframework/data/repository/query/package-info.java

@@ -0,0 +1,5 @@
+/**
+ * Support classes to work with query methods.
+ */
+package org.springframework.data.repository.query;
+

spring-data-commons-core/src/main/java/org/springframework/data/repository/query/parser/package-info.java

@@ -0,0 +1,5 @@
+/**
+ * Support classes for parsing queries from method names.
+ */
+package org.springframework.data.repository.query.parser;
+

spring-data-commons-core/src/main/java/org/springframework/data/repository/support/package-info.java

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+/**
+ * Base classes to implement repositories for various data stores.
+ */
+package org.springframework.data.repository.support;
+

spring-data-commons-core/src/main/java/org/springframework/data/repository/util/package-info.java

@@ -0,0 +1,5 @@
+/**
+ * Utility classes for repository implementations.
+ */
+package org.springframework.data.repository.util;
+