x-ui.sh is now command-line/env-vars configurable.
x-ui.sh is now command-line/env-vars configurable.

Make it easier to test with common cases, like debuggers, clean/empty
$HOME and so on.



SVN revision: 49425

tasn/enlightenment,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment,rvandegrift/e,FlorentRevest/Enlightenment,FlorentRevest/Enlightenment,FlorentRevest/Enlightenment,tizenorg/platform.upstream.enlightenment,rvandegrift/e,rvandegrift/e,tasn/enlightenment