Fix a few lint errors
Fix a few lint errors

reinert/dygraphs,pshevtsov/dygraphs,petechap/dygraphs,mcanthony/dygraphs,danvk/dygraphs,danvk/dygraphs,timeu/dygraphs,petechap/dygraphs,reinert/dygraphs,socib/dygraphs,timeu/dygraphs,timeu/dygraphs,reinert/dygraphs,Yong-Lee/dygraphs,panuhorsmalahti/dygraphs,mariolll/dygraphs,Akiyah/dygraphs,petechap/dygraphs,davidmsibley/dygraphs,Akiyah/dygraphs,vhotspur/dygraphs,panuhorsmalahti/dygraphs,pshevtsov/dygraphs,jmptrader/dygraphs,klausw/dygraphs,mariolll/dygraphs,Akiyah/dygraphs,grantadesign/dygraphs,Yong-Lee/dygraphs,witsa/dygraphs,petechap/dygraphs,mantyr/dygraphs,kbaggott/dygraphs,socib/dygraphs,Yong-Lee/dygraphs,grantadesign/dygraphs,reinert/dygraphs,Yong-Lee/dygraphs,petechap/dygraphs,klausw/dygraphs,klausw/dygraphs,mantyr/dygraphs,mantyr/dygraphs,mcanthony/dygraphs,mariolll/dygraphs,witsa/dygraphs,danvk/dygraphs,mcanthony/dygraphs,vhotspur/dygraphs,Akiyah/dygraphs,danvk/dygraphs,timeu/dygraphs,davidmsibley/dygraphs,Yong-Lee/dygraphs,timeu/dygraphs,pshevtsov/dygraphs,reinert/dygraphs,kbaggott/dygraphs,socib/dygraphs,vhotspur/dygraphs,mariolll/dygraphs,mcanthony/dygraphs,socib/dygraphs,davidmsibley/dygraphs,davidmsibley/dygraphs,grantadesign/dygraphs,mantyr/dygraphs,panuhorsmalahti/dygraphs,jmptrader/dygraphs,pshevtsov/dygraphs,mcanthony/dygraphs,kbaggott/dygraphs,witsa/dygraphs,jmptrader/dygraphs,pshevtsov/dygraphs,vhotspur/dygraphs,vhotspur/dygraphs,mariolll/dygraphs,panuhorsmalahti/dygraphs,mantyr/dygraphs,klausw/dygraphs,danvk/dygraphs,jmptrader/dygraphs,witsa/dygraphs,kbaggott/dygraphs,grantadesign/dygraphs,panuhorsmalahti/dygraphs,klausw/dygraphs,grantadesign/dygraphs,jmptrader/dygraphs,davidmsibley/dygraphs,Akiyah/dygraphs,kbaggott/dygraphs,witsa/dygraphs