[issue-206] Fix invalid variable name (#207)

Fixed invalid variable names in PravegaFixedSegmentsOutputFormat and fixed readme doc changing develop branch reference.

Signed-off-by: Vijay Srinivasaraghavan <[email protected]>

Author: vijikarthi

Diff for: README.md

@@ -166,17 +166,17 @@ pravega-samples/pravega-client-examples/build/install/pravega-client-examples/bi
 
 There is a Linux/Mac script and a Windows (.bat) script for each separate executable.
 
-_Working with `develop` branch_: If you are curious about the most recent sample applications, 
-you may like to try the `develop` version of `pravega-samples` as well. To do so, just clone the 
-`develop` branch instead of `master` (default): 
+_Working with `dev` branch_: If you are curious about the most recent sample applications, 
+you may like to try the `dev` version of `pravega-samples` as well. To do so, just clone the 
+`dev` branch instead of `master` (default): 
 
 ```
-$ git clone -b develop https://github.com/pravega/pravega-samples.git
+$ git clone -b dev https://github.com/pravega/pravega-samples.git
 $ cd pravega-samples
 $ ./gradlew clean installDist
 ```
 
-The `develop` branch works with Pravega snapshots artifacts published in 
+The `dev` branch works with Pravega snapshots artifacts published in 
 our [JFrog repository](https://oss.jfrog.org/artifactory/jfrog-dependencies/io/pravega/) instead of 
 using release versions.
 

Diff for: hadoop-connector-examples/src/main/java/io/pravega/example/hadoop/PravegaFixedSegmentsOutputFormat.java

@@ -60,15 +60,15 @@ public class PravegaFixedSegmentsOutputFormat<V> extends OutputFormat<String, V>
     private static final Logger log = LoggerFactory.getLogger(PravegaFixedSegmentsOutputFormat.class);
 
     // Pravega scope name
-    public static final String OUTPUT_SCOPE_NAME = "output.pravega.scope";
+    public static final String OUTPUT_SCOPE_NAME = "pravega.scope";
     // Pravega stream name
-    public static final String OUTPUT_STREAM_NAME = "output.pravega.stream";
+    public static final String OUTPUT_STREAM_NAME = "pravega.stream";
     // Pravega stream segments
-    public static final String OUTPUT_STREAM_SEGMENTS = "output.pravega.stream.segments";
+    public static final String OUTPUT_STREAM_SEGMENTS = "pravega.stream.segments";
     // Pravega uri string
-    public static final String OUTPUT_URI_STRING = "output.pravega.uri";
+    public static final String OUTPUT_URI_STRING = "pravega.uri";
     // Pravega deserializer class name
-    public static final String OUTPUT_DESERIALIZER = "output.pravega.deserializer";
+    public static final String OUTPUT_DESERIALIZER = "pravega.deserializer";
 
     static final long DEFAULT_TXN_TIMEOUT_MS = 30000L;