Added Galician Translation thanks to @DaAira
Added Galician Translation thanks to @DaAira

closes #388

djaney/TimelineJS,anxintiancai/TimelineJS,james-logan/TimelineJS,wangjun/TimelineJS,deenjohn/TimelineJS,matt-edgedesign/Timelinejs,wangjun/TimelineJS,landsurveyorsunited/TimelineJS,NUKnightLab/TimelineJS,CrossLead/TimelineJS,landsurveyorsunited/TimelineJS,eldabbagh/TimelineJS,deenjohn/TimelineJS,noikiy/TimelineJS,wangjun/TimelineJS,zstao/TimelineJS,zstao/TimelineJS,angeliaz/TimelineJS,deenjohn/TimelineJS,james-logan/TimelineJS,ycaihua/TimelineJS,CrossLead/TimelineJS,NUKnightLab/TimelineJS,anxintiancai/TimelineJS,LauraHilliger/TimelineJS,matt-edgedesign/Timelinejs,james-logan/TimelineJS,anxintiancai/TimelineJS,ryekee/TimelineJS,noikiy/TimelineJS,pom95/timeline,landsurveyorsunited/TimelineJS,stea4lth/TimelineJS,1modm/TimelineJS,chrismoulton/TimelineJS,chrismoulton/TimelineJS,azeemmufti/TimelineJS,1modm/TimelineJS,ryekee/TimelineJS,JoaquinSiabra/TimelineJS,ycaihua/TimelineJS,zstao/TimelineJS,djaney/TimelineJS,ycaihua/TimelineJS,NUKnightLab/TimelineJS,LauraHilliger/TimelineJS,cweems/api-timeline-js,pom95/timeline,pom95/timeline,cweems/api-timeline-js,djaney/TimelineJS,ryekee/TimelineJS,stea4lth/TimelineJS,JoaquinSiabra/TimelineJS,azeemmufti/TimelineJS,eldabbagh/TimelineJS,LauraHilliger/TimelineJS,cweems/tc_timeline,noikiy/TimelineJS,cweems/tc_timeline,stea4lth/TimelineJS,angeliaz/TimelineJS,1modm/TimelineJS,matt-edgedesign/Timelinejs,JoaquinSiabra/TimelineJS