[WIP] Add arrow from javacpp (also upgrades javacpp version)

datavec/datavec-api/src/main/java/org/datavec/api/transform/schema/Schema.java

@@ -710,6 +710,17 @@ public Builder addColumn(ColumnMetaData metaData) {
             return this;
         }
 
+
+        /**
+         * Add a bytes column representing
+         * arbitrary bytes string data
+         * @param name the name of the column
+         * @return
+         */
+        public Builder addColumnBytes(String name) {
+            return addColumn(new BinaryMetaData(name));
+        }
+
         /**
          * Add a String column with no restrictions on the allowable values.
          *

datavec/datavec-api/src/main/java/org/datavec/api/util/ndarray/RecordConverter.java

@@ -127,7 +127,7 @@ public static INDArray toArray(Collection<? extends Writable> record) {
         INDArray arr = Nd4j.create(1, length);
 
         int k = 0;
-        for (Writable w : record ) {
+        for (Writable w : record) {
             if (w instanceof NDArrayWritable) {
                 INDArray toPut = ((NDArrayWritable) w).get();
                 arr.put(new INDArrayIndex[] {NDArrayIndex.point(0),

datavec/datavec-arrow/pom.xml

@@ -27,8 +27,29 @@
     <packaging>jar</packaging>
 
     <name>datavec-arrow</name>
-
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
     <dependencies>
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-arrow</artifactId>
+            <version>${nd4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>arrow-platform</artifactId>
+            <version>${arrow.javacpp.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.datavec</groupId>
             <artifactId>datavec-api</artifactId>