Added iqProvider and extensionProvider for flexible offline message retrieval. SMACK-25
Added iqProvider and extensionProvider for flexible offline message retrieval. SMACK-25


git-svn-id: 0d4d1bf2e47502aa0f0957c230a0ec7fa56198fd@2513 b35dd754-fafc-0310-a699-88a17e54d16e

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