Tell compiler plugin to target Java 6
Tell compiler plugin to target Java 6

Review: https://rb.mesosphe.re/r/143

rtward/marathon,timcharper/marathon,felixb/marathon,pugna0/marathon,ramitsurana/marathon,pgkelley4/marathon,airbnb/marathon,pgkelley4/marathon,mesosphere/marathon,guenter/marathon,meln1k/marathon,ss75710541/marathon,spacejam/marathon,SivagnanamCiena/marathon,MrMarvin/marathon,mesosphere/marathon,SivagnanamCiena/marathon,quamilek/marathon,titosand/marathon,drewrobb/marathon,IanSaunders/marathon,bsideup/marathon,sledigabel/marathon,sepiroth887/marathon,cgvarela/marathon,pugna0/marathon,bsideup/marathon,lelezi/marathon,sielaq/marathon,felixb/marathon,timcharper/marathon,ayouwei/marathon,IanSaunders/marathon,guenter/marathon,mesosphere/marathon,ss75710541/marathon,guenter/marathon,Kosta-Github/marathon,manojlds/marathon,ramitsurana/marathon,sielaq/marathon,EasonYi/marathon,mesosphere/marathon,HardikDR/marathon,sepiroth887/marathon,gsantovena/marathon,lelezi/marathon,manojlds/marathon,quamilek/marathon,IanSaunders/marathon,c089/marathon,cherrydocker/marathon-1,gsantovena/marathon,janisz/marathon,mikejihbe/marathon,sielaq/marathon,felixb/marathon,matsluni/marathon,titosand/marathon,ayouwei/marathon,14Zen/marathon,Yhgenomics/marathon,spacejam/marathon,c089/marathon,14Zen/marathon,vivekjuneja/marathon,MiLk/marathon,matsluni/marathon,ss75710541/marathon,timcharper/marathon,HardikDR/marathon,okuryu/marathon,cgvarela/marathon,Yhgenomics/marathon,janisz/marathon,MiLk/marathon,quamilek/marathon,spacejam/marathon,guenter/marathon,bobrik/marathon,natemurthy/marathon,meln1k/marathon,sttts/marathon,bsideup/marathon,mikejihbe/marathon,murat-lacework/marathon,mesosphere/marathon,hangyan/marathon,janisz/marathon,pugna0/marathon,cherrydocker/marathon-1,c089/marathon,gsantovena/marathon,sttts/marathon,spacejam/marathon,guenter/marathon,cherrydocker/marathon-1,sttts/marathon,meln1k/marathon,EvanKrall/marathon,Caerostris/marathon,yp-engineering/marathon,SivagnanamCiena/marathon,EvanKrall/marathon,meln1k/marathon,natemurthy/marathon,natemurthy/marathon,yp-engineering/marathon,EvanKrall/marathon,sledigabel/marathon,ayouwei/marathon,matsluni/marathon,vivekjuneja/marathon,rtward/marathon,EvanKrall/marathon,airbnb/marathon,airbnb/marathon,drewrobb/marathon,bobrik/marathon,MrMarvin/marathon,hangyan/marathon,c089/marathon,gsantovena/marathon,lelezi/marathon,bobrik/marathon,Caerostris/marathon,EasonYi/marathon,14Zen/marathon,Caerostris/marathon,murat-lacework/marathon,sielaq/marathon,14Zen/marathon,mikejihbe/marathon,cgvarela/marathon,murat-lacework/marathon,janisz/marathon,drewrobb/marathon,Yhgenomics/marathon,manojlds/marathon,sledigabel/marathon,Caerostris/marathon,HardikDR/marathon,ramitsurana/marathon,felixb/marathon,drewrobb/marathon,Caerostris/marathon,EasonYi/marathon,gsantovena/marathon,sttts/marathon,meln1k/marathon,MrMarvin/marathon,janisz/marathon,hangyan/marathon,okuryu/marathon,airbnb/marathon,bobrik/marathon,sepiroth887/marathon,rtward/marathon,MiLk/marathon,Kosta-Github/marathon,okuryu/marathon,vivekjuneja/marathon