Enabling maven support and removing ant support for building sketch

library.

Author: will-lauer

build.xml

@@ -0,0 +1,70 @@
+<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>com.yahoo.data-sketches</groupId>
+    <artifactId>sketches-core</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    
+    <name>Sketch Core</name>
+    <description>Core Sketch library</description>
+    <url>http://datasketches.github.io/</url>
+    
+    <inceptionYear>2015</inceptionYear>
+    <organization>
+        <name>Yahoo! Inc.</name>
+        <url>http://www.yahoo.com</url>
+    </organization>
+    
+    <licenses>
+        <license>
+            <name>Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+    
+    <scm>
+        <connection>scm:git:https://github.com/DataSketches/sketches-core</connection>
+        <developerConnection>scm:git:git://github.com/DataSketches/sketches-core</developerConnection>
+        <url>https://www.github.com/DataSketches/sketches-core</url>
+    </scm>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.testng</groupId>
+            <artifactId>testng</artifactId>
+            <version>6.8.8</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-source-plugin</artifactId>
+                    <version>2.4</version>
+                </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-javadoc-plugin</artifactId>
+                    <version>2.10.3</version>
+                </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-deploy-plugin</artifactId>
+                    <version>2.8.2</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+</project>