* add support in Redis plugin to select database when creating db connection.
* refactor code to use URI string instead of constructor call, because of lack of appropriate constructor.
* add TCs.
* fix validate datasource.
- return request parameters with type for debug tab.
- request params are stored in a RequestParamDTO object.
- a configProperty -> label map is cached in pluginService, which returns the param label as per the configProperty it is mapped to via editor.json file.
- This feature currently only works with prepared statements disabled.
1. Fixing the build by excluding the slf4j-api from redis-plugin pom.xml
2. Adding the editor.json and form.json for the query pane & datasource pane.
3. Adding array handling in the Redis response by feeding all the output into a "result" key
