Added support for fully-relative trajectories #1921

Job	Run time
read_targets_from_file / read_targets_from_file	6s
read_targets_from_file / read_targets_from_file	4s
basic_build (cf2)	2m 14s
basic_build (cf2)	2m 13s
basic_build (bolt)	2m 18s
basic_build (bolt)	2m 20s
basic_build (tag)	2m 13s
basic_build (tag)	2m 14s
basic_build (flapper)	2m 16s
basic_build (flapper)	2m 16s
basic_build (cf21bl)	2m 11s
basic_build (cf21bl)	2m 17s
features	0s
features	0s
apps	0s
apps	0s
kbuild-targets	0s
kbuild-targets	0s
	22m 42s

Provide feedback