 Same length for weekdaysMin parts (Italian) ES6
 Same length for weekdaysMin parts (Italian) ES6

Rebasing, as discussed here https://github.com/moment/moment/pull/2237
mj1856/moment,SkReD/moment,OtkurBiz/moment,mj1856/moment,PKRoma/moment,joelmheim/moment,ksnabb/moment,ze-pequeno/moment,ze-pequeno/moment,calebcauthon/moment,dardrone/moment,monoblaine/moment,optimizely/moment,samuelfullerthomas/moment,maggiepint/moment,moment/moment,gabrielmaldi/moment,joelmheim/moment,marijaselakovic/moment,Khan/moment,Oire/moment,xkxx/moment,moment/moment,dardrone/moment,moment/moment,nonmadden/moment,maggiepint/moment,julionc/moment,whytobe/moment,PKRoma/moment,calebcauthon/moment,Khan/moment,ze-pequeno/moment,OtkurBiz/moment,ichernev/moment,PKRoma/moment,maggiepint/moment,gabrielmaldi/moment,joelmheim/moment,monoblaine/moment,calebcauthon/moment,OtkurBiz/moment,ichernev/moment,julionc/moment,topaxi/moment,topaxi/moment,marijaselakovic/moment,julionc/moment,mj1856/moment,samuelfullerthomas/moment,scriptrdotio/moment,xkxx/moment,scriptrdotio/moment,scriptrdotio/moment,Oire/moment,Oire/moment,ksnabb/moment,optimizely/moment,nonmadden/moment,samuelfullerthomas/moment,whytobe/moment,xkxx/moment