Update to use openjdk-7 
Update to use openjdk-7 

should be fully compatible according to the docs: 
http://opentsdb.net/docs/build/html/installation.html#runtime-requirements
https://github.com/dockerfile/java/blob/master/openjdk-7-jdk/Dockerfile
inkel/bosun,CheRuisiBesares/bosun,Skyscanner/bosun,treejames/bosun,mhenderson-so/bosun,cyngn/bosun,mathpl/bosun,dbirchak/bosun,bridgewell/bosun,influxdata/bosun,influxdb/bosun,simnv/bosun,eMerzh/bosun,alienth/bosun,mhenderson-so/bosun,madhukarreddy/bosun,mhenderson-so/bosun,TrentScholl/bosun,dbirchak/bosun,treejames/bosun,yyljlyy/bosun,fisdap/bosun,cyngn/bosun,vitorboschi/bosun,bookingcom/bosun,melifaro/bosun,csmith-palantir/bosun,cazacugmihai/bosun,youngl98/bosun,mhenderson-so/bosun,azhurbilo/bosun,evgeny-potapov/bosun,GROpenSourceDev/bosun,melifaro/bosun,simnv/bosun,bosun-sharklasers/bosun,augporto/bosun,jareksm/bosun,csmith-palantir/bosun,eMerzh/bosun,leapar/bosun,augporto/bosun,fisdap/bosun,augporto/bosun,mathpl/bosun,CheRuisiBesares/bosun,TrentScholl/bosun,madhukarreddy/bosun,briantist/bosun,leapar/bosun,gregdel/bosun,SlashmanX/bosun,couchand/bosun,influxdb/bosun,dieface/bosun,csmith-palantir/bosun,GROpenSourceDev/bosun,inkel/bosun,simnv/bosun,couchand/bosun,mehulkar/bosun,melifaro/bosun,couchand/bosun,bosun-monitor/bosun,bosun-sharklasers/bosun,Skyscanner/bosun,GROpenSourceDev/bosun,bosun-monitor/bosun,dieface/bosun,azhurbilo/bosun,noblehng/bosun,gregdel/bosun,bookingcom/bosun,azhurbilo/bosun,vitorboschi/bosun,shanemadden/bosun,CheRuisiBesares/bosun,seekingalpha/bosun,youngl98/bosun,mnikhil-git/bosun,bookingcom/bosun,inkel/bosun,couchand/bosun,dbirchak/bosun,SlashmanX/bosun,cyngn/bosun,TrentScholl/bosun,mxk1235/bosun,dieface/bosun,cyngn/bosun,influxdata/bosun,CheRuisiBesares/bosun,SlashmanX/bosun,briantist/bosun,mxk1235/bosun,treejames/bosun,bookingcom/bosun,objStorage/bosun,dimamedvedev/bosun,trigrass2/bosun,simnv/bosun,azhurbilo/bosun,evgeny-potapov/bosun,briantist/bosun,mnikhil-git/bosun,treejames/bosun,noblehng/bosun,influxdb/bosun,eMerzh/bosun,alienth/bosun,madhukarreddy/bosun,yyljlyy/bosun,shanemadden/bosun,cazacugmihai/bosun,influxdata/bosun,csmith-palantir/bosun,briantist/bosun,youngl98/bosun,snowsnail/bosun,fisdap/bosun,evgeny-potapov/bosun,dbirchak/bosun,mehulkar/bosun,bosun-sharklasers/bosun,snowsnail/bosun,GROpenSourceDev/bosun,eMerzh/bosun,TrentScholl/bosun,vitorboschi/bosun,leapar/bosun,CheRuisiBesares/bosun,melifaro/bosun,mnikhil-git/bosun,Skyscanner/bosun,jareksm/bosun,mhenderson-so/bosun,azhurbilo/bosun,dimamedvedev/bosun,TrentScholl/bosun,vitorboschi/bosun,youngl98/bosun,bosun-sharklasers/bosun,youngl98/bosun,GROpenSourceDev/bosun,dbirchak/bosun,jareksm/bosun,jareksm/bosun,seekingalpha/bosun,bridgewell/bosun,cazacugmihai/bosun,evgeny-potapov/bosun,cazacugmihai/bosun,noblehng/bosun,shanemadden/bosun,inkel/bosun,simnv/bosun,SlashmanX/bosun,gregdel/bosun,mathpl/bosun,treejames/bosun,shanemadden/bosun,inkel/bosun,dimamedvedev/bosun,bosun-monitor/bosun,bosun-monitor/bosun,noblehng/bosun,yyljlyy/bosun,leapar/bosun,mehulkar/bosun,bookingcom/bosun,jareksm/bosun,csmith-palantir/bosun,fisdap/bosun,dimamedvedev/bosun,trigrass2/bosun,mathpl/bosun,vitorboschi/bosun,bosun-monitor/bosun,mnikhil-git/bosun,mathpl/bosun,mxk1235/bosun,dieface/bosun,cazacugmihai/bosun,Skyscanner/bosun,dieface/bosun,csmith-palantir/bosun,mxk1235/bosun,seekingalpha/bosun,dimamedvedev/bosun,snowsnail/bosun,CheRuisiBesares/bosun,influxdata/bosun,objStorage/bosun,yyljlyy/bosun,influxdb/bosun,mehulkar/bosun,mhenderson-so/bosun,cazacugmihai/bosun,dbirchak/bosun,Skyscanner/bosun,bridgewell/bosun,briantist/bosun,melifaro/bosun,snowsnail/bosun,bridgewell/bosun,objStorage/bosun,yyljlyy/bosun,bosun-monitor/bosun,snowsnail/bosun,eMerzh/bosun,melifaro/bosun,shanemadden/bosun,bridgewell/bosun,alienth/bosun,seekingalpha/bosun,gregdel/bosun,mathpl/bosun,cyngn/bosun,vitorboschi/bosun,evgeny-potapov/bosun,bosun-sharklasers/bosun,dieface/bosun,trigrass2/bosun,TrentScholl/bosun,seekingalpha/bosun,mehulkar/bosun,influxdata/bosun,Skyscanner/bosun,shanemadden/bosun,augporto/bosun,fisdap/bosun,fisdap/bosun,noblehng/bosun,trigrass2/bosun,gregdel/bosun,mxk1235/bosun,mxk1235/bosun,simnv/bosun,SlashmanX/bosun,objStorage/bosun,gregdel/bosun,couchand/bosun,dimamedvedev/bosun,alienth/bosun,alienth/bosun,madhukarreddy/bosun,influxdb/bosun,briantist/bosun,mnikhil-git/bosun,bosun-sharklasers/bosun,noblehng/bosun,seekingalpha/bosun,GROpenSourceDev/bosun,snowsnail/bosun,bridgewell/bosun,trigrass2/bosun,influxdata/bosun,yyljlyy/bosun,influxdb/bosun,bookingcom/bosun,cyngn/bosun,alienth/bosun,SlashmanX/bosun,leapar/bosun,treejames/bosun,leapar/bosun,jareksm/bosun,augporto/bosun,madhukarreddy/bosun,mehulkar/bosun,couchand/bosun,evgeny-potapov/bosun,objStorage/bosun,inkel/bosun,mnikhil-git/bosun,trigrass2/bosun,youngl98/bosun,objStorage/bosun,azhurbilo/bosun,augporto/bosun,eMerzh/bosun,madhukarreddy/bosun