[ansible-openwisp2-imagegenerator] Make openwrt 18.06 default

OpenWISP

Make openwrt 18.06 the default option in ansible-openwisp2-imagegenrator.

Once you are done send us a pull request for review.

Don't forget to start and fork the github repository linked in this task, this will help us for the reason described in our documentation page Help us to grow.

https://github.com/openwisp/ansible-openwisp2-imagegenerator/issues/16

Task tags

openwrt
ansible
git
linux
compilation

Students who completed this task

EdgeKing810

Task type

Code