Add a log4j compile dependency to fix build in IntelliJ

Also rename parent project to spark-parent (otherwise it shows up as
"parent" in IntelliJ, which is very confusing).

bagel/pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.spark-project</groupId>
-    <artifactId>parent</artifactId>
+    <artifactId>spark-parent</artifactId>
     <version>0.7.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>

core/pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.spark-project</groupId>
-    <artifactId>parent</artifactId>
+    <artifactId>spark-parent</artifactId>
     <version>0.7.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
@@ -87,6 +87,10 @@
       <groupId>org.apache.mesos</groupId>
       <artifactId>mesos</artifactId>
     </dependency>
+    <dependency>
+      <groupId>log4j</groupId>
+      <artifactId>log4j</artifactId>
+    </dependency>
 
     <dependency>
       <groupId>org.scalatest</groupId>

examples/pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.spark-project</groupId>
-    <artifactId>parent</artifactId>
+    <artifactId>spark-parent</artifactId>
     <version>0.7.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>

pom.xml

@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.spark-project</groupId>
-  <artifactId>parent</artifactId>
+  <artifactId>spark-parent</artifactId>
   <version>0.7.1-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>Spark Project Parent POM</name>
@@ -58,6 +58,7 @@
     <spray.json.version>1.1.1</spray.json.version>
     <slf4j.version>1.6.1</slf4j.version>
     <cdh.version>4.1.2</cdh.version>
+    <log4j.version>1.2.17</log4j.version>
   </properties>
 
   <repositories>
@@ -267,6 +268,12 @@
         <version>${scala.version}</version>
       </dependency>
 
+      <dependency>
+        <groupId>log4j</groupId>
+        <artifactId>log4j</artifactId>
+        <version>${log4j.version}</version>
+      </dependency>
+
       <dependency>
         <groupId>org.scalatest</groupId>
         <artifactId>scalatest_${scala.version}</artifactId>

repl-bin/pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.spark-project</groupId>
-    <artifactId>parent</artifactId>
+    <artifactId>spark-parent</artifactId>
     <version>0.7.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>

repl/pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.spark-project</groupId>
-    <artifactId>parent</artifactId>
+    <artifactId>spark-parent</artifactId>
     <version>0.7.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>

streaming/pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.spark-project</groupId>
-    <artifactId>parent</artifactId>
+    <artifactId>spark-parent</artifactId>
     <version>0.7.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>