add some explanatory messaging to New-BoxstarterPackage about the new package location and how to build it
add some explanatory messaging to New-BoxstarterPackage about the new package location and how to build it

fhchina/boxstarter,modulexcite/boxstarter,dhilgarth/boxstarter,napramirez/boxstarter,tbyehl/boxstarter,cam1985/boxstarter,cam1985/boxstarter,mwrock/boxstarter,smaglio81/boxstarter,dhilgarth/boxstarter,smaglio81/boxstarter,napramirez/boxstarter,fhchina/boxstarter,smaglio81/boxstarter,dex1on/pub,mwrock/boxstarter,fhchina/boxstarter,dex1on/pub,modulexcite/boxstarter,modulexcite/boxstarter,dex1on/pub,tbyehl/boxstarter,cam1985/boxstarter,tbyehl/boxstarter,dhilgarth/boxstarter,napramirez/boxstarter