units.js: Added @expose directives for the closure compiler
units.js: Added @expose directives for the closure compiler

snip/skylines,shadowoneau/skylines,TobiasLohner/SkyLines,Harry-R/skylines,skylines-project/skylines,Turbo87/skylines,RBE-Avionik/skylines,kerel-fs/skylines,snip/skylines,kerel-fs/skylines,Turbo87/skylines,shadowoneau/skylines,Turbo87/skylines,dkm/skylines,shadowoneau/skylines,skylines-project/skylines,RBE-Avionik/skylines,RBE-Avionik/skylines,skylines-project/skylines,Harry-R/skylines,Harry-R/skylines,snip/skylines,TobiasLohner/SkyLines,RBE-Avionik/skylines,dkm/skylines,Turbo87/skylines,Harry-R/skylines,TobiasLohner/SkyLines,kerel-fs/skylines,dkm/skylines,dkm/skylines,shadowoneau/skylines,skylines-project/skylines