Added Anthony Minessale to THANKS file.
Added Anthony Minessale to THANKS file.

markandrus/SIP.js,CodeYellowBV/JsSIP,vconsult/JsSIP,josephfrazier/SIP.js,voxbone/JsSIP,AaronZhangL/JsSIP,tqcenglish/JsSIP,DrumTechnologiesLtd/JsSIP,onsip/SIP.js,dpocock/JsSIP,onsip/SIP.js,Escaux/SIP.js,ronlobo/SIP.js,Voiceworks/SIP.js,joseph-onsip/SIP.js,rusekr/JsSIP