fixing copy-pasted comment
shortening some lines.
Fixing copy-pasted project name
Moving common paths up into a common configuration

We now depend on a MakerBotConfig.cmake containing some common paths.

That file is part of Toolchain-Release, and will be installed to the
same cmake_install_prefix.
Removing local *Config.cmake template

A more general template is now part of MakerBotConfig.cmake
Updating .gitignore with the build dir