trac-admin should work with relative paths

[tv+nospam.edgewall_com.2a55fe@…]

$ trac-admin foo version list
Failed to open environment. [Errno 2] No such file or directory: 'foo/VERSION'
Command list failed: 1
$ trac-admin $PWD/foo version list

Name  Time
----------
          
1.0       
2.0       

$ 

[utopiste]

not a big issue

if the path doesn't begin by / use the current path + the args, normalize it, and use it for the env_path

will try to fix it tonight

[utopiste]

done, fixed by [894]