Explicitly state source code encoding is UTF-8 in Gradle build files
Explicitly state source code encoding is UTF-8 in Gradle build files

Original commit: elastic/x-pack-elasticsearch@2f59b2c3a9f619956d73f1d5416d24e6f2ffdd1c

robin13/elasticsearch,coding0011/elasticsearch,vroyer/elassandra,GlenRSmith/elasticsearch,coding0011/elasticsearch,gingerwizard/elasticsearch,strapdata/elassandra,gingerwizard/elasticsearch,uschindler/elasticsearch,strapdata/elassandra,gfyoung/elasticsearch,HonzaKral/elasticsearch,HonzaKral/elasticsearch,uschindler/elasticsearch,coding0011/elasticsearch,scorpionvicky/elasticsearch,nknize/elasticsearch,HonzaKral/elasticsearch,scorpionvicky/elasticsearch,nknize/elasticsearch,gingerwizard/elasticsearch,gfyoung/elasticsearch,gfyoung/elasticsearch,GlenRSmith/elasticsearch,strapdata/elassandra,strapdata/elassandra,robin13/elasticsearch,vroyer/elassandra,uschindler/elasticsearch,coding0011/elasticsearch,gfyoung/elasticsearch,gingerwizard/elasticsearch,uschindler/elasticsearch,gfyoung/elasticsearch,nknize/elasticsearch,scorpionvicky/elasticsearch,nknize/elasticsearch,GlenRSmith/elasticsearch,uschindler/elasticsearch,scorpionvicky/elasticsearch,robin13/elasticsearch,robin13/elasticsearch,vroyer/elassandra,strapdata/elassandra,gingerwizard/elasticsearch,robin13/elasticsearch,HonzaKral/elasticsearch,coding0011/elasticsearch,GlenRSmith/elasticsearch,nknize/elasticsearch,gingerwizard/elasticsearch,GlenRSmith/elasticsearch,scorpionvicky/elasticsearch,gingerwizard/elasticsearch