Update vision/beta web detection samples to v1 (#1016)

Author: nnegrey

vision/cloud-client/README.md

@@ -79,8 +79,17 @@ mvn exec:java -DDetect -Dexec.args="properties ./resources/city.jpg"
 mvn exec:java -DDetect -Dexec.args="web ./resources/landmark.jpg"
 ```
 
+#### Web Entities
+```
+mvn exec:java -DDetect -Dexec.args="web-entities ./resources/landmark.jpg"
+```
+
+#### Web Entities Include Geo
+```
+mvn exec:java -DDetect -Dexec.args="web-entities-include-geo ./resources/landmark.jpg"
+```
+
 #### Crop
 ```
 mvn exec:java -DDetect -Dexec.args="crop ./resources/landmark.jpg"
 ```
-

vision/cloud-client/pom.xml

@@ -40,7 +40,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-vision</artifactId>
-      <version>1.15.0</version>
+      <version>1.16.0</version>
     </dependency>
     <!-- [END dependencies] -->