Provide separate command options to execute creation of product test plan, running each test plan, and generating reports.

[kasunbg]

Description:

This introduces three main commands:

• create-product-testplan
• run-testplan
• generate-report

usage: create-product-testplan -p PRODUCT_NAME -v PRODUCT_VERSION -c CHANNEL
usage: run-testplan -t TESTPLAN_PATH -p PRODUCT_NAME -v PRODUCT_VERSION -c CHANNEL
usage: generate-report -p PRODUCT_NAME -v PRODUCT_VERSION -c CHANNEL
usage: help
example: sh testgrid.sh create-product-testplan -p wso2is -v 5.3.0 -c public_branch
example: sh testgrid.sh run-testplan -t ./my-testplan.yaml-p wso2is -v 5.3.0 -c public_branch

[kasunbg]

Further usage examples for the first two commands:

create-product-testplan

mkdir /tmp/tg-home; 
mkdir /tmp/jmeter-home; 
export TESTGRID_HOME=/tmp/tg-home 
export JMETER_HOME=/tmp/jmeter-home

java -Dlog4j.configurationFile=/home/kasun/wso2/msf4j/conf/log4j2.xml -jar target/org.wso2.testgrid.core-0.9.0-SNAPSHOT-jar-with-dependencies.jar create-product-testplan -p wso2is --version 5.4.0 --infraRepo=/home/kasun/git-repos/test-grid-is-resources

run-testplan

java -Dlog4j.configurationFile=/home/kasun/wso2/msf4j/conf/log4j2.xml -jar target/org.wso2.testgrid.core-0.9.0-SNAPSHOT-jar-with-dependencies.jar run-testplan -p wso2is --version 5.4.0 --infraRepo=/home/kasun/git-repos/test-grid-is-resources -trd=/home/kasun/git-repos/test-grid-is-resources -t /home/kasun/git-repos/test-grid-is-resources/ProductTests/testplan1.yaml