change license of reflinks.py from GPL to MIT
change license of reflinks.py from GPL to MIT

per discussion on Pywikipedia-l:
http://comments.gmane.org/gmane.comp.python.pywikipediabot.general/13959

all original authors need to +1 this

Change-Id: I2cee179737b45fe95c206e928ad0b8c8b560c9e2

hasteur/g13bot_tools_new,npdoty/pywikibot,VcamX/pywikibot-core,emijrp/pywikibot-core,xZise/pywikibot-core,smalyshev/pywikibot-core,hasteur/g13bot_tools_new,Darkdadaah/pywikibot-core,magul/pywikibot-core,Darkdadaah/pywikibot-core,icyflame/batman,npdoty/pywikibot,hasteur/g13bot_tools_new,magul/pywikibot-core,trishnaguha/pywikibot-core,happy5214/pywikibot-core,h4ck3rm1k3/pywikibot-core,wikimedia/pywikibot-core,PersianWikipedia/pywikibot-core,TridevGuha/pywikibot-core,valhallasw/pywikibot-core,wikimedia/pywikibot-core,darthbhyrava/pywikibot-local,h4ck3rm1k3/pywikibot-core,jayvdb/pywikibot-core,jayvdb/pywikibot-core,happy5214/pywikibot-core