Fix path printed in help for dotnet-install
Fix path printed in help for dotnet-install

The script does not install to /usr/local/share/. It instead installs to
$HOME/.dotnet. Fix the doc text.

Also fix the names in code that incorrectly talk about /usr/local/share.

livarcocc/cli-1,blackdwarf/cli,harshjain2/cli,svick/cli,blackdwarf/cli,ravimeda/cli,EdwardBlair/cli,livarcocc/cli-1,EdwardBlair/cli,Faizan2304/cli,blackdwarf/cli,dasMulli/cli,EdwardBlair/cli,Faizan2304/cli,harshjain2/cli,ravimeda/cli,johnbeisner/cli,svick/cli,Faizan2304/cli,svick/cli,johnbeisner/cli,dasMulli/cli,livarcocc/cli-1,blackdwarf/cli,dasMulli/cli,johnbeisner/cli,harshjain2/cli,ravimeda/cli