Fix for wrong import of pylgettext when starting with setup:

$ python2 pyload.py  -s
...
  File "/opt/pyload/module/Setup.py", line 19, in <module>
    import module.common.pylgettext as gettext
ImportError: No module named common.pylgettext
Merge pull request #139 from d00fy/bugfix-setuppylgettext

Fix for wrong import of pylgettext when starting with setup