Prepare 0.4.0 release

Author: carsonwang

core/pom.xml

@@ -6,7 +6,7 @@
 
   <groupId>com.intel</groupId>
   <artifactId>raydp</artifactId>
-  <version>0.4.0-SNAPSHOT</version>
+  <version>0.4.0</version>
 
   <name>raydp</name>
 

python/raydp/__init__.py

@@ -17,6 +17,6 @@
 
 from raydp.context import init_spark, stop_spark
 
-__version__ = "0.4.0.dev0"
+__version__ = "0.4.0"
 
 __all__ = ["init_spark", "stop_spark"]

python/setup.py

@@ -29,7 +29,7 @@
 if package_name == 'raydp_nightly':
     VERSION = datetime.today().strftime("%Y.%m.%d.dev0")
 else:
-    VERSION = "0.4.0.dev0"
+    VERSION = "0.4.0"
 
 ROOT_DIR = os.path.dirname(__file__)