Added Core translation file for Latvian.
Added Core translation file for Latvian.

kelkoo-services/refinerycms,stefanspicer/refinerycms,simi/refinerycms,trevornez/refinerycms,KingLemuel/refinerycms,aguzubiaga/refinerycms,anitagraham/refinerycms,mlinfoot/refinerycms,mkaplan9/refinerycms,Eric-Guo/refinerycms,Retimont/refinerycms,hoopla-software/refinerycms,anitagraham/refinerycms,trevornez/refinerycms,Retimont/refinerycms,mlinfoot/refinerycms,sideci-sample/sideci-sample-refinerycms,mabras/refinerycms,aguzubiaga/refinerycms,kappiah/refinerycms,bryanmtl/g-refinerycms,Eric-Guo/refinerycms,refinery/refinerycms,chrise86/refinerycms,hoopla-software/refinerycms,mkaplan9/refinerycms,kappiah/refinerycms,hoopla-software/refinerycms,KingLemuel/refinerycms,mojarra/myrefinerycms,simi/refinerycms,johanb/refinerycms,KingLemuel/refinerycms,kappiah/refinerycms,trevornez/refinerycms,mkaplan9/refinerycms,pcantrell/refinerycms,anitagraham/refinerycms,simi/refinerycms,LytayTOUCH/refinerycms,bricesanchez/refinerycms,chrise86/refinerycms,LytayTOUCH/refinerycms,bryanmtl/g-refinerycms,refinery/refinerycms,refinery/refinerycms,mabras/refinerycms,pcantrell/refinerycms,simi/refinerycms,SmartMedia/refinerycms-with-custom-icons,Eric-Guo/refinerycms,donabrams/refinerycms,Retimont/refinerycms,johanb/refinerycms,chrise86/refinerycms,louim/refinerycms,mlinfoot/refinerycms,mobilityhouse/refinerycms,sideci-sample/sideci-sample-refinerycms,aguzubiaga/refinerycms,LytayTOUCH/refinerycms,mobilityhouse/refinerycms,louim/refinerycms,donabrams/refinerycms,gwagener/refinerycms,koa/refinerycms,gwagener/refinerycms,gwagener/refinerycms,mojarra/myrefinerycms,johanb/refinerycms,stefanspicer/refinerycms,stakes/refinerycms,mabras/refinerycms,bricesanchez/refinerycms,stefanspicer/refinerycms,stakes/refinerycms,SmartMedia/refinerycms-with-custom-icons,koa/refinerycms,kelkoo-services/refinerycms