Delete temporary folder created by "dotnet restore".
Delete temporary folder created by "dotnet restore".

Also create the temp folder in the OS temp path.

Fix - #811

nguerrera/cli,livarcocc/cli-1,ravimeda/cli,AbhitejJohn/cli,krwq/cli,dasMulli/cli,weshaggard/cli,stuartleeks/dotnet-cli,borgdylan/dotnet-cli,marono/cli,stuartleeks/dotnet-cli,gkhanna79/cli,AbhitejJohn/cli,schellap/cli,jaredpar/cli,jkotas/cli,jaredpar/cli,mylibero/cli,AbhitejJohn/cli,mylibero/cli,svick/cli,blackdwarf/cli,Faizan2304/cli,krwq/cli,danquirk/cli,johnbeisner/cli,Faizan2304/cli,danquirk/cli,jonsequitur/cli,schellap/cli,FubarDevelopment/cli,mylibero/cli,krwq/cli,danquirk/cli,gkhanna79/cli,weshaggard/cli,borgdylan/dotnet-cli,weshaggard/cli,marono/cli,EdwardBlair/cli,schellap/cli,mylibero/cli,FubarDevelopment/cli,harshjain2/cli,danquirk/cli,gkhanna79/cli,stuartleeks/dotnet-cli,harshjain2/cli,MichaelSimons/cli,svick/cli,jkotas/cli,jkotas/cli,jonsequitur/cli,gkhanna79/cli,jkotas/cli,anurse/Cli,nguerrera/cli,ravimeda/cli,johnbeisner/cli,jaredpar/cli,mlorbetske/cli,schellap/cli,JohnChen0/cli,weshaggard/cli,FubarDevelopment/cli,jonsequitur/cli,jonsequitur/cli,naamunds/cli,EdwardBlair/cli,MichaelSimons/cli,danquirk/cli,nguerrera/cli,krwq/cli,naamunds/cli,krwq/cli,borgdylan/dotnet-cli,JohnChen0/cli,jaredpar/cli,stuartleeks/dotnet-cli,EdwardBlair/cli,Faizan2304/cli,AbhitejJohn/cli,schellap/cli,gkhanna79/cli,MichaelSimons/cli,blackdwarf/cli,schellap/cli,mlorbetske/cli,borgdylan/dotnet-cli,marono/cli,marono/cli,JohnChen0/cli,johnbeisner/cli,blackdwarf/cli,naamunds/cli,FubarDevelopment/cli,harshjain2/cli,mlorbetske/cli,mlorbetske/cli,naamunds/cli,jaredpar/cli,blackdwarf/cli,nguerrera/cli,jkotas/cli,livarcocc/cli-1,ravimeda/cli,MichaelSimons/cli,JohnChen0/cli,marono/cli,dasMulli/cli,MichaelSimons/cli,dasMulli/cli,jaredpar/cli,borgdylan/dotnet-cli,livarcocc/cli-1,mylibero/cli,weshaggard/cli,svick/cli,stuartleeks/dotnet-cli,naamunds/cli