Downgrade circleci to java 1.7 as the website cannot be built with java 1.8
Downgrade circleci to java 1.7 as the website cannot be built with java 1.8

stalet/hawtio,grgrzybek/hawtio,stalet/hawtio,tadayosi/hawtio,tadayosi/hawtio,hawtio/hawtio,mposolda/hawtio,hawtio/hawtio,skarsaune/hawtio,mposolda/hawtio,skarsaune/hawtio,skarsaune/hawtio,mposolda/hawtio,stalet/hawtio,hawtio/hawtio,mposolda/hawtio,stalet/hawtio,grgrzybek/hawtio,grgrzybek/hawtio,tadayosi/hawtio,mposolda/hawtio,grgrzybek/hawtio,skarsaune/hawtio,tadayosi/hawtio,grgrzybek/hawtio,tadayosi/hawtio,skarsaune/hawtio,stalet/hawtio,hawtio/hawtio,hawtio/hawtio