Fix cdap-cli packaging
Merge pull request #544 from caskdata/feature/fix-cli-pkg3

CDAP-455 Fix cdap-cli packaging
Update cdap-cli to use cask common-cli (new CLI API)
Spark Integration: Use project level spark version in example
CDAP-412 REST endpoint to expose Service methods
Addressing comments
Allow old spec. Support only class level annotations
Cleaned up ClientConfig and added option to provide a Supplier<AccessToken>
Remove dependency on hadoop Configuration in CConfiguration
Minor refactoring
Better error message in ConnectCommand
Update cdap-cli prompt on any connection change
CDAP-475 AvroFileLogReader can miss entries with same timestamp
Rename handler and endpoint classes
Remove ServiceWorkerSpecificationCodec
Fix checkstyle
Spark Integration: Fix Jira issue number
Merge pull request #551 from caskdata/feature/cdap-475_logreader

CDAP-475 AvroFileLogReader can miss entries with same timestamp
Merge pull request #552 from caskdata/feature/spark-jira

Spark Integration: Fix Jira issue number
Better endpoint path creation