[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

.gitignore

@@ -15,6 +15,7 @@ target/
 *.war
 *.ear
 *.db
+*.patch 
  
 ######################
 # OSX
@@ -74,5 +75,4 @@ dependency-reduced-pom.xml
 #######################################
 # Docker
 #######################################
-hoodie-integ-test/compose_env
-
+hudi-integ-test/compose_env