changed MetricsTable put(API) to use long instead of byte array
Merge branch 'develop' of github.com:caskdata/cdap into feature/MetricsTable_PutAPI_useLong

Conflicts:
	cdap-watchdog/src/main/java/co/cask/cdap/metrics/data/AggregatesTable.java
Deserialization of query results through the ExploreClient better supports the different types
Addressed PR comments
 Using Generics for Map Transformation and Bytes.immutableSortedMap
copyright fix
update based on code review
Query Metrics run-id as a part of path, instead of query parameters
Merge branch 'develop' of github.com:caskdata/cdap into metrics_runId_API_change
Fix re-writing of rst files to handle general cases and other cases of "version" than the previous one.
Update the cached _include files.
Correct the download link for the file to use the correct version directory.
Add resolution of CDAP-607 to release notes.
code review changes
removed unused code
removed unused imports
Merge pull request #617 from caskdata/feature/r2.5.2_release_notes

Release 2.5.2 doc fixes
refactored with new API review changes and removed some code duplication
checkstyle fixes
Add a link to the Kafka-Flow-pack, and change copy to use "library" when describing a "pack".
Fix link.