Add pom and .gitignore (PR #9)

Project now mvn installs out of the box

Author: fergalmonaghan

.gitignore

@@ -1,6 +1,13 @@
 # Binary files
 *.class
 
+# Maven files
+target/
+
 # Eclipse files
 .classpath
 .project
+
+# IntelliJ files
+.idea/
+*.iml

pom.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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.github.ptnplanet</groupId>
+    <artifactId>java-naive-bayes-classifier</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+        </dependency>
+    </dependencies>
+</project>