CDAP-538: Ported procedures of WordCount app to services.
Merge branch 'develop' into CDAP-538-word-count-app

Conflicts:
	cdap-examples/WordCount/src/main/java/co/cask/cdap/examples/wordcount/WordCount.java
CDAP-538: Updated docs and scripts.
API to get run-id of currently running program and adding the API to CDAP CLI and Client
test added for runId in cdap-client tests
CDAP-538: Added endpoint to retrieve word count with default limit equal 10; Minor code/docs updates.
Updates to 2.6 Service docs
Updates to installation instructions.
An "official" cookbook.
wip: runs endpoint to get active, completed and failed runs of a program
Put command desc in quotes
Update.
Updates to installation.
Merge remote-tracking branch 'upstream/develop' into CDAP-538-word-count-app
CDAP-538: Ported procedures to services of SparkKMeans app; Updated scripts.
get current Runs and history endpoint merged into one  endpoint and corresponding changes in CLI and tests
Removes old diagrams accidentally checked in.
Updates installation manual.
Fixes broken link in service restful api (https://issues.cask.co/browse/CDAP-653)
Adds instructions about removing applications.
Standardized CDAP component nomenclature, and added a list of packages to the component chart.
Merge branch 'develop' of github.com:caskdata/cdap into feature/get_current_runId_appfabric

Conflicts:
	cdap-cli/src/main/java/co/cask/cdap/cli/DefaultCommands.java
removed unused endpoint support in CLI (service runnables history) and updated endpoints to use runs instead of history in TestFrameworkTest
checksytle fixes: import order