Updated the build to use Java 1.6
Updated the build to use Java 1.6

git-svn-id: 0d4d1bf2e47502aa0f0957c230a0ec7fa56198fd@12305 b35dd754-fafc-0310-a699-88a17e54d16e

qingsong-xu/Smack,hy9902/Smack,vito-c/Smack,u20024804/Smack,mar-v-in/Smack,deeringc/Smack,chuangWu/Smack,xuIcream/Smack,dpr-odoo/Smack,dpr-odoo/Smack,esl/Smack,qingsong-xu/Smack,Flowdalic/Smack,ayne/Smack,andrey42/Smack,ishan1604/Smack,chuangWu/Smack,hy9902/Smack,unisontech/Smack,u20024804/Smack,kkroid/OnechatSmack,esl/Smack,lovely3x/Smack,igorexax3mal/Smack,TTalkIM/Smack,Tibo-lg/Smack,andrey42/Smack,xuIcream/Smack,TTalkIM/Smack,TTalkIM/Smack,igniterealtime/Smack,deeringc/Smack,cjpx00008/Smack,ishan1604/Smack,dpr-odoo/Smack,igorexax3mal/Smack,vanitasvitae/Smack,esl/Smack,lovely3x/Smack,igorexax3mal/Smack,unisontech/Smack,kkroid/OnechatSmack,cjpx00008/Smack,Flowdalic/Smack,deeringc/Smack,vanitasvitae/smack-omemo,opg7371/Smack,vanitasvitae/Smack,hy9902/Smack,vanitasvitae/smack-omemo,vanitasvitae/Smack,annovanvliet/Smack,kkroid/OnechatSmack,ayne/Smack,annovanvliet/Smack,opg7371/Smack,vito-c/Smack,igniterealtime/Smack,Flowdalic/Smack,magnetsystems/message-smack,magnetsystems/message-smack,Tibo-lg/Smack,unisontech/Smack,opg7371/Smack,xuIcream/Smack,qingsong-xu/Smack,chuangWu/Smack,ishan1604/Smack,magnetsystems/message-smack,igniterealtime/Smack,lovely3x/Smack,annovanvliet/Smack,ayne/Smack,andrey42/Smack,u20024804/Smack,cjpx00008/Smack,mar-v-in/Smack,mar-v-in/Smack,Tibo-lg/Smack,vanitasvitae/smack-omemo