Fix .po loader for multiple source references
Fix .po loader for multiple source references

Some .po files appeared to have space-separated source
references.

ovnicraft/openerp-server,gisce/openobject-server,ovnicraft/openerp-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,gisce/openobject-server,splbio/openobject-server,splbio/openobject-server,vnc-biz/openerp-server,xrg/openerp-server,MarkusTeufelberger/openobject-server,xrg/openerp-server,vnc-biz/openerp-server,splbio/openobject-server,MarkusTeufelberger/openobject-server