[SPARK-13548][BUILD] Move tags and unsafe modules into common

## What changes were proposed in this pull request? This patch moves tags and unsafe modules into common directory to remove 2 top level non-user-facing directories. ## How was this patch tested? Jenkins should suffice. Author: Reynold Xin <rxin@databricks.com> Closes #11426 from rxin/SPARK-13548.

[SPARK-13548][BUILD] Move tags and unsafe modules into common
b0ee7d43 · Reynold Xin · c27ba0d5 · b0ee7d43 · b0ee7d43 · b0ee7d43
Commit b0ee7d43 authored 9 years ago by Reynold Xin
--- a/tags/README.md
+++ b/tags/README.md
--- a/tags/pom.xml
+++ b/tags/pom.xml
@@ -23,7 +23,7 @@
    <groupId>org.apache.spark</groupId>
    <artifactId>spark-parent_2.11</artifactId>
    <version>2.0.0-SNAPSHOT</version>
-    <relativePath>../pom.xml</relativePath>
+    <relativePath>../../pom.xml</relativePath>
  </parent>

  <groupId>org.apache.spark</groupId>

--- a/tags/src/main/java/org/apache/spark/tags/DockerTest.java
+++ b/tags/src/main/java/org/apache/spark/tags/DockerTest.java
--- a/tags/src/main/java/org/apache/spark/tags/ExtendedHiveTest.java
+++ b/tags/src/main/java/org/apache/spark/tags/ExtendedHiveTest.java
--- a/tags/src/main/java/org/apache/spark/tags/ExtendedYarnTest.java
+++ b/tags/src/main/java/org/apache/spark/tags/ExtendedYarnTest.java
--- a/unsafe/pom.xml
+++ b/unsafe/pom.xml
@@ -23,7 +23,7 @@
    <groupId>org.apache.spark</groupId>
    <artifactId>spark-parent_2.11</artifactId>
    <version>2.0.0-SNAPSHOT</version>
-    <relativePath>../pom.xml</relativePath>
+    <relativePath>../../pom.xml</relativePath>
  </parent>

  <groupId>org.apache.spark</groupId>

--- a/unsafe/src/main/java/org/apache/spark/unsafe/KVIterator.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/KVIterator.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/Platform.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/Platform.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/array/ByteArrayMethods.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/array/ByteArrayMethods.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/array/LongArray.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/array/LongArray.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/bitset/BitSetMethods.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/bitset/BitSetMethods.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/hash/Murmur3_x86_32.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/hash/Murmur3_x86_32.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/memory/HeapMemoryAllocator.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/memory/HeapMemoryAllocator.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/memory/MemoryAllocator.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/memory/MemoryAllocator.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/memory/MemoryBlock.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/memory/MemoryBlock.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/memory/MemoryLocation.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/memory/MemoryLocation.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/memory/UnsafeMemoryAllocator.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/memory/UnsafeMemoryAllocator.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/types/ByteArray.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/types/ByteArray.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/types/CalendarInterval.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/types/CalendarInterval.java
--- a/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java
+++ b/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java