Build process tweaks#6

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lmc wants to merge 3 commits intoblacktm:mainfrom

lmc:fix-build-process-and-instructions

Commits on Oct 25, 2018

fix build process and readme, permit using a vendored mruby per-project

lmc
authored and
blacktm
committed
fix build process and readme, permit using a vendored mruby per-project

lmc
authored and
blacktm
committed
Rebase with master branch, resolve conflicts
blacktm
committed