Support shared named envs during startup

Author: oschulz

base/initdefs.jl

@@ -235,7 +235,7 @@ function init_active_project()
     ACTIVE_PROJECT[] =
         project === nothing ? nothing :
         project == "" ? nothing :
-        project == "@." ? current_project() : abspath(expanduser(project))
+        project == "@." ? current_project() : abspath(load_path_expand(project))
 end
 
 ## load path expansion: turn LOAD_PATH entries into concrete paths ##