missing repo sync in fn 'configure-product-for-pkg-install
updated add/remove package test and added a fn to validate the results
updated fn to remove package
added 'yum repolist' cmd to get rid of install error
updated add/remove package fn and added a new function to check package status
Fixed:Install package after moving a system from one env to other
Add/Remove package-group and validate installed info
added required space between parameters
resolved merge conflict
check system check-in and registration details
search a package from package-list
Update a selected package and validate info
remove a selected package from package list
Filter errata by errata-type
Merge pull request #874 from sghai/pkg-test

Test: Add/remove system package