Install scripts to replace bin and external-deps
Remove bin and external-deps which are now script-installed
Fix scripts
More renaming removing gameplay- prefix
Merge branch 'next' of https://github.com/blackberry/GamePlay into next
Merge pull request #932 from seanpaultaylor/next

More renaming removing gameplay- prefix
Merge pull request #931 from kwhatmough/next

Remove bin and external-deps from repo