wip: docs metrics start
metrics documentation changes, changed history endpoint to runs, gauge example, querying by run-id
update to docs based on code review comments
code review comments
change based on review comments
fixed deleting metrics upon redeployment of changed app
Small doc changes
PR comment
use incrmenet and gauge in mr metrics
add json serializer to not send endTime if status is Running for programs
use gauge metrics in WordCount App Example
code review comments
doc fix
delete all datasets to delete only user datasets
log message change
using Long instead of long for stopTimestamp as per code review suggestion
Make CLIMainTest easier to run against remote CDAP instances
Merge pull request #726 from caskdata/feature/fix_mapreduce_metrics_counters

CDAP-798 use increment and gauge in mr metrics
use gauge for MR counters
Merge pull request #711 from caskdata/feature/metrics-docs

Feature/metrics docs