[SPARK-24418][FOLLOWUP][DOC] Update docs to show Scala 2.11.12

## What changes were proposed in this pull request?

SPARK-24418 upgrades Scala to 2.11.12. This PR updates Scala version in docs.

- https://spark.apache.org/docs/latest/quick-start.html#self-contained-applications (screenshot)
![screen1](https://user-images.githubusercontent.com/9700541/45590509-9c5f0400-b8ee-11e8-9293-e48d297db894.png)

- https://spark.apache.org/docs/latest/rdd-programming-guide.html#working-with-key-value-pairs (Scala, Java)
(These are hyperlink updates)

- https://spark.apache.org/docs/latest/streaming-flume-integration.html#configuring-flume-1 (screenshot)
![screen2](https://user-images.githubusercontent.com/9700541/45590511-a123b800-b8ee-11e8-97a5-b7f2288229c2.png)

## How was this patch tested?

Manual.
```bash
$ cd docs
$ SKIP_API=1 jekyll build
```

Closes #22431 from dongjoon-hyun/SPARK-24418.

Authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: DB Tsai <d_tsai@apple.com>
This commit is contained in:
Dongjoon Hyun 2018-09-16 04:14:19 +00:00 committed by DB Tsai
parent 02c2963f89
commit bfcf742605
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@ -17,7 +17,7 @@ include:
SPARK_VERSION: 2.5.0-SNAPSHOT
SPARK_VERSION_SHORT: 2.5.0
SCALA_BINARY_VERSION: "2.11"
SCALA_VERSION: "2.11.8"
SCALA_VERSION: "2.11.12"
MESOS_VERSION: 1.0.0
SPARK_ISSUE_TRACKER_URL: https://issues.apache.org/jira/browse/SPARK
SPARK_GITHUB_URL: https://github.com/apache/spark