Using ELEMENTS_DIR env variable, you can specify multiple dirs containint your elements.
It must be a ":" separated elements list.
When an element is seen in one of those lists, it will be chosen and will continue with the next element.
Change-Id: I18eca27d943139cd6ca1ebd232b419e502d7b048
ELEMENTS_DIR env var was not being set by lib/ramdisk-defaults.
This caused ramdisk-image-create to fail.
Change-Id: I25ec43feddb8ef546dba83a77b8488fee98d4a17
Flavour is overloaded in openstack due to it being used by nova. Element
seems to have the same feeling of combinability without using a term already
in active use in the openstack community.
Change-Id: Ia4c028d4062a8f69c66665821c94dd4bcdf06031
