Eclipse formatter: Set line length to 120
Eclipse formatter: Set line length to 120

Also add new settings for Java8 features (currently not used in Smack,
as it is Java7 or higher).

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