Implement feature: detect redis by analyzing pom file.

1. Link to sample project.

https://github.com/rujche/samples/tree/azd-enhancemeng-for-redis

2. Make sure all redis related feature in spring-boot are included in this PR.

Search redis in this page: https://repo1.maven.org/maven2/org/springframework/boot/ We can got 4 artifacts:

1. spring-boot-sample-data-redis-archetype. Ignore this because it's an archetype.
2. spring-boot-starter-data-redis. Included in this PR.
3. spring-boot-starter-data-redis-reactive. Included in this PR.
4. spring-boot-starter-redis. Ignore this because the max version is 1.4.4, it's released on 2017-06-08)

Search redis in spring-configuration-metadata.json:

There are 4 groups:

1. spring.cache.redis. Confirmed that the redis used in spring cache is using the RedisConnectionFactory configured by spring.data.redis.
2. spring.data.redis. Included in the sample project.
3. spring.session.redis. Confirmed that the redis used in spring session is using the RedisConnectionFactory configured by spring.data.redis.
4. spring.redis. Confirmed that this has been replaced by spring.data.redis.