1. Username and password are optional in Registration. SMACK-62 2. Added try/catch block when invoking packet listeners.
1. Username and password are optional in Registration. SMACK-62
2. Added try/catch block when invoking packet listeners.


git-svn-id: 0d4d1bf2e47502aa0f0957c230a0ec7fa56198fd@2504 b35dd754-fafc-0310-a699-88a17e54d16e

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