Add i18 support to a string.
Add i18 support to a string.

CRUKorg/pybossa-cruk-theme,PyBossa/mrallergen-theme,CRUKorg/pybossa-cruk-theme,CRUKorg/pybossa-cruk-theme,PyBossa/pybossa-default-theme,geotagx/geotagx-theme,geotagx/geotagx-theme,jeffersonrpn/pybossa-contribua-theme,khadgarmage/pybossa-stardust-theme,spMohanty/geotagx-theme,geotagx/geotagx-theme,spMohanty/geotagx-theme,AltClick/pybossa-amnesty-theme,PyBossa/pybossa-default-theme,jeffersonrpn/pybossa-contribua-theme,spMohanty/geotagx-theme,khadgarmage/pybossa-stardust-theme,AltClick/pybossa-amnesty-theme,jeffersonrpn/pybossa-contribua-theme,Scifabric/mrallergen-theme,Scifabric/mrallergen-theme,PyBossa/mrallergen-theme,spMohanty/geotagx-theme