add networkofferid to search network for
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/cloudstack.git
do not instantiate Long just for toString

replaced Long object instantiation with static call to Long.toString in case it was only to generate a string

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Do not instantiate long just to generate String

Replaced toString call to the static toString method

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>