Add armel, armhf and arm64 build support
Build ARM images and let build jobs disabled by default.
Fixes: #205 (closed)
Based on Iñaki Malerba's work on arm-support branch
Edited by Santiago R.R.
Build ARM images and let build jobs disabled by default.
Fixes: #205 (closed)
Based on Iñaki Malerba's work on arm-support branch