add curl example for install
add curl example for install

llun/apex,ianrtracey/apex,llun/apex,apex/apex,ianrtracey/apex,DaveBlooman/apex,llun/apex,DaveBlooman/apex,apex/apex,apex/apex,ianrtracey/apex,pilwon/apex,tobyjoe/apex,apex/apex,ianrtracey/apex,DaveBlooman/apex,apex/apex,llun/apex,llun/apex,tobyjoe/apex,DaveBlooman/apex,pilwon/apex,ianrtracey/apex,llun/apex,pilwon/apex,DaveBlooman/apex,apex/apex,apex/apex,tobyjoe/apex,DaveBlooman/apex,ianrtracey/apex