[HUDI-68] Pom cleanup & demo automation (#846)

- [HUDI-172] Cleanup Maven POM/Classpath
  - Fix ordering of dependencies in poms, to enable better resolution
  - Idea is to place more specific ones at the top
  - And place dependencies which use them below them
- [HUDI-68] : Automate demo steps on docker setup
 - Move hive queries from hive cli to beeline
 - Standardize on taking query input from text command files
 - Deltastreamer ingest, also does hive sync in a single step
 - Spark Incremental Query materialized as a derived Hive table using datasource
 - Fix flakiness in HDFS spin up and output comparison
 - Code cleanup around streamlining and loc reduction
 - Also fixed pom to not shade some hive classs in spark, to enable hive sync

hudi-cli/hudi-cli.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-HUDI_JAR=`ls $DIR/target/hudi-cli-*-SNAPSHOT.jar | grep -v source | grep -v javadoc`
+HOODIE_JAR=`ls $DIR/target/hudi-cli-*-SNAPSHOT.jar | grep -v source | grep -v javadoc`
 if [ -z "$HADOOP_CONF_DIR" ]; then
   echo "setting hadoop conf dir"
   HADOOP_CONF_DIR="/etc/hadoop/conf"
@@ -13,5 +13,4 @@ fi
 if [ -z "$CLIENT_JAR" ]; then
   echo "client jar location not set"
 fi
-echo "java -cp ${HADOOP_CONF_DIR}:${SPARK_CONF_DIR}:$DIR/target/lib/*:$HUDI_JAR:${CLIENT_JAR} -DSPARK_CONF_DIR=${SPARK_CONF_DIR} -DHADOOP_CONF_DIR=${HADOOP_CONF_DIR} org.springframework.shell.Bootstrap"
-java -cp ${HADOOP_CONF_DIR}:${SPARK_CONF_DIR}:$DIR/target/lib/*:$HUDI_JAR:${CLIENT_JAR} -DSPARK_CONF_DIR=${SPARK_CONF_DIR} -DHADOOP_CONF_DIR=${HADOOP_CONF_DIR} org.springframework.shell.Bootstrap
+java -cp ${HADOOP_CONF_DIR}:${SPARK_CONF_DIR}:$DIR/target/lib/*:$HOODIE_JAR:${CLIENT_JAR} -DSPARK_CONF_DIR=${SPARK_CONF_DIR} -DHADOOP_CONF_DIR=${HADOOP_CONF_DIR} org.springframework.shell.Bootstrap $@