HUDI-123 Rename code packages/constants to org.apache.hudi (#830)

- Rename com.uber.hoodie to org.apache.hudi
- Flag to pass com.uber.hoodie Input formats for hoodie-sync
- Works with HUDI demo. 
- Also tested for backwards compatibility with datasets built by com.uber.hoodie packages
- Migration guide : https://cwiki.apache.org/confluence/display/HUDI/Migration+Guide+From+com.uber.hoodie+to+org.apache.hudi

hudi-hive/run_sync_tool.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+function error_exit {
+    echo "$1" >&2   ## Send message to stderr. Exclude >&2 if you don't want it that way.
+    exit "${2:-1}"  ## Return a code specified by $2 or 1 by default.
+}
+
+if [ -z "${HADOOP_HOME}" ]; then
+  error_exit "Please make sure the environment variable HADOOP_HOME is setup"
+fi
+
+if [ -z "${HIVE_HOME}" ]; then
+  error_exit "Please make sure the environment variable HIVE_HOME is setup"
+fi
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+#Ensure we pick the right jar even for hive11 builds
+HUDI_HIVE_UBER_JAR=`ls -c $DIR/../packaging/hudi-hive-bundle/target/hudi-hive-*.jar | grep -v source | head -1`
+
+if [ -z "$HADOOP_CONF_DIR" ]; then
+  echo "setting hadoop conf dir"
+  HADOOP_CONF_DIR="${HADOOP_HOME}/etc/hadoop"
+fi
+
+## Include only specific packages from HIVE_HOME/lib to avoid version mismatches
+HIVE_EXEC=`ls ${HIVE_HOME}/lib/hive-exec-*.jar | tr '\n' ':'`
+HIVE_SERVICE=`ls ${HIVE_HOME}/lib/hive-service-*.jar | grep -v rpc | tr '\n' ':'`
+HIVE_METASTORE=`ls ${HIVE_HOME}/lib/hive-metastore-*.jar | tr '\n' ':'`
+# Hive 1.x/CDH has standalone jdbc jar which is no longer available in 2.x
+HIVE_JDBC=`ls ${HIVE_HOME}/lib/hive-jdbc-*standalone*.jar | tr '\n' ':'`
+if [ -z "${HIVE_JDBC}" ]; then
+  HIVE_JDBC=`ls ${HIVE_HOME}/lib/hive-jdbc-*.jar | grep -v handler | tr '\n' ':'`
+fi
+HIVE_JARS=$HIVE_METASTORE:$HIVE_SERVICE:$HIVE_EXEC:$HIVE_SERVICE:$HIVE_JDBC
+
+HADOOP_HIVE_JARS=${HIVE_JARS}:${HADOOP_HOME}/share/hadoop/common/*:${HADOOP_HOME}/share/hadoop/mapreduce/*:${HADOOP_HOME}/share/hadoop/hdfs/*:${HADOOP_HOME}/share/hadoop/common/lib/*:${HADOOP_HOME}/share/hadoop/hdfs/lib/*
+
+echo "Running Command : java -cp ${HADOOP_HIVE_JARS}:${HADOOP_CONF_DIR}:$HUDI_HIVE_UBER_JAR org.apache.hudi.hive.HiveSyncTool $@"
+java -cp $HUDI_HIVE_UBER_JAR:${HADOOP_HIVE_JARS}:${HADOOP_CONF_DIR} org.apache.hudi.hive.HiveSyncTool "$@"