Update aws-alias.sh
Update aws-alias.sh

aws-get-t2 was looking for a t2.large where setup_t2.sh was creating a t2.xlarge (note that the wiki states t2.large, but perhaps xlarge is more appropriate)
fazzolini/fast_ai,nik-hil/fastai,organicmatters/Learnfastai,benkoo/fast_ai_coursenotes,matsaleh13/courses,radekosmulski/courses,yingchi/fastai-notes,VadimMalykh/courses,yingchi/fastai-notes,radekosmulski/courses,appleby/fastai-courses,kmclaugh/fastai_courses,asmith26/courses,fastai/courses,appleby/fastai-courses,organicmatters/Learnfastai,kmclaugh/fastai_courses,fazzolini/fast_ai,nik-hil/fastai,briandalessandro/courses,sainathadapa/fastai-courses,VadimMalykh/courses,fastai/courses,matsaleh13/courses,benkoo/fast_ai_coursenotes,asmith26/courses,briandalessandro/courses,sainathadapa/fastai-courses