Specify boolean false parameter EnvironmentVariableSubstitutor
Specify boolean false parameter EnvironmentVariableSubstitutor

In order for the app startup not to fail if an env var defined in the
yaml config file cannot be found I had to add a boolean false parameter
to the EnvironmentVariableSubstitutor constructor

Close #1064

vforce/dropwizard,biogerm/dropwizard,helt/dropwizard,pradex/dropwizard,Randgalt/dropwizard,taohaolong/dropwizard,sytolk/dropwizard,bbrighttaer/dropwizard,ryankennedy/dropwizard,taohaolong/dropwizard,qinfchen/dropwizard,Toilal/dropwizard,MikaelAmborn/dropwizard,dropwizard/dropwizard,phouse512/dropwizard,jelgh/dropwizard,kdave47/dropwizard,wilko55/dropwizard,rgupta-okta/dropwizard,StanSvec/dropwizard,kjetilv/dropwizard,chaminda204/dropwizard,wangcan2014/dropwizard,nmharsha93/dropwizard,flipsterkeshav/dropwizard,dropwizard/dropwizard,tjcutajar/dropwizard,wilko55/dropwizard,dsavinkov/dropwizard,jplock/dropwizard,evnm/dropwizard,cvent/dropwizard,StanSvec/dropwizard,aaanders/dropwizard,vikasshinde22105/dropwizard,douzzi/dropwizard,akraxx/dropwizard,nmharsha93/dropwizard,akraxx/dropwizard,svenefftinge/dropwizard,qinfchen/dropwizard,vikasshinde22105/dropwizard,phambryan/dropwizard,pradex/dropwizard,thomasandersen77/dropwizard,nmharsha93/dropwizard,nickbabcock/dropwizard,chaminda204/dropwizard,biogerm/dropwizard,patrox/dropwizard,ajaiyen/dropwizard,douzzi/dropwizard,bbrighttaer/dropwizard,mulloymorrow/dropwizard,hbrahi1/dropwizard,mtbigham/dropwizard,jelgh/dropwizard,mattnelson/dropwizard,mnrasul/dropwizard,takecy/dropwizard,helt/dropwizard,christophercurrie/dropwizard,pkwarren/dropwizard,chaminda204/dropwizard,arunsingh/dropwizard,michelle-liang/dropwizard,wangcan2014/dropwizard,shawnsmith/dropwizard,ben1247/dropwizard,kjetilv/dropwizard,MikaelAmborn/dropwizard,qinfchen/dropwizard,tburch/dropwizard,mulloymorrow/dropwizard,mosoft521/dropwizard,cvent/dropwizard,cvent/dropwizard,wilko55/dropwizard,taltmann/dropwizard,flipsterkeshav/dropwizard,takecy/dropwizard,mnrasul/dropwizard,ben1247/dropwizard,arunsingh/dropwizard,hbrahi1/dropwizard,wakandan/dropwizard,Trundle/dropwizard,hbrahi1/dropwizard,puneetjaiswal/dropwizard,akshaymaniyar/dropwizard,amillalen/dropwizard,biogerm/dropwizard,takecy/dropwizard,ben1247/dropwizard,dropwizard/dropwizard,randiroe/dropwizard,philandstuff/dropwizard,nickbabcock/dropwizard,arunsingh/dropwizard,grange74/dropwizard,ajaiyen/dropwizard,jelgh/dropwizard,christophercurrie/dropwizard,xiaoping2367/dropwizard,sytolk/dropwizard,zhiqinghuang/dropwizard,flipsterkeshav/dropwizard,yshaojie/dropwizard,tburch/dropwizard,kdave47/dropwizard,Alexey1Gavrilov/dropwizard,pkwarren/dropwizard,micsta/dropwizard,xiaoping2367/dropwizard,taohaolong/dropwizard,tjcutajar/dropwizard,michelle-liang/dropwizard,micsta/dropwizard,wakandan/dropwizard,puneetjaiswal/dropwizard,dotCipher/dropwizard,yshaojie/dropwizard,mattnelson/dropwizard,shawnsmith/dropwizard,Randgalt/dropwizard,sridhar-newsdistill/dropwizard,akshaymaniyar/dropwizard,calou/dropwizard,aaanders/dropwizard,mulloymorrow/dropwizard,shawnsmith/dropwizard,randiroe/dropwizard,wangcan2014/dropwizard,patrox/dropwizard,jplock/dropwizard,phouse512/dropwizard,mnrasul/dropwizard,michelle-liang/dropwizard,thomasandersen77/dropwizard,phouse512/dropwizard,pradex/dropwizard,StanSvec/dropwizard,vforce/dropwizard,vikasshinde22105/dropwizard,phambryan/dropwizard,helt/dropwizard,rgupta-okta/dropwizard,dsavinkov/dropwizard,anonymint/dropwizard,svenefftinge/dropwizard,mattnelson/dropwizard,tburch/dropwizard,mtbigham/dropwizard,philandstuff/dropwizard,sytolk/dropwizard,MikaelAmborn/dropwizard,bbrighttaer/dropwizard,micsta/dropwizard,zhiqinghuang/dropwizard,tiankong1986/dropwizard,anonymint/dropwizard,evnm/dropwizard,xiaoping2367/dropwizard,nickbabcock/dropwizard,mosoft521/dropwizard,ryankennedy/dropwizard,Trundle/dropwizard,zhiqinghuang/dropwizard,dotCipher/dropwizard,ajaiyen/dropwizard,evnm/dropwizard,taltmann/dropwizard,mtbigham/dropwizard,calou/dropwizard,kjetilv/dropwizard,puneetjaiswal/dropwizard,jplock/dropwizard,svenefftinge/dropwizard,thomasandersen77/dropwizard,phambryan/dropwizard,dotCipher/dropwizard,dsavinkov/dropwizard,philandstuff/dropwizard,sridhar-newsdistill/dropwizard,rgupta-okta/dropwizard,aaanders/dropwizard,taltmann/dropwizard,Randgalt/dropwizard,tiankong1986/dropwizard,akraxx/dropwizard,Toilal/dropwizard,ryankennedy/dropwizard,amillalen/dropwizard,Alexey1Gavrilov/dropwizard,grange74/dropwizard,pkwarren/dropwizard,sridhar-newsdistill/dropwizard,christophercurrie/dropwizard,vforce/dropwizard,Toilal/dropwizard,tjcutajar/dropwizard,grange74/dropwizard,patrox/dropwizard,wakandan/dropwizard,akshaymaniyar/dropwizard,douzzi/dropwizard,randiroe/dropwizard,Trundle/dropwizard,tiankong1986/dropwizard,amillalen/dropwizard,kdave47/dropwizard,mosoft521/dropwizard,Alexey1Gavrilov/dropwizard,yshaojie/dropwizard,calou/dropwizard