Merge pull request #2 from d0b3rm4n/master

add test_packages to img_test_vm.sh as argument
[config] Add config for package manager

Signed-off-by: Matti Kosola <matti.kosola@jollamobile.com>
[tester] Add option to use pkcon instead of zypper

Signed-off-by: Matti Kosola <matti.kosola@jollamobile.com>
Merge pull request #3 from mkosola/master

Use pkcon instead of zypper for installing test packages
Export usb pwr and usb port numbers for host based tests

Signed-off-by: Matti Kosola <matti.kosola@jollamobile.com>
Merge pull request #4 from mkosola/master

Export usb pwr and usb port numbers for host based tests