libroadrunner.org production site config
removed duplicated instructions from front build page. Other minor

The visual studio instructions are now ready for testing by others
causing an error on travis ci?
deleted all _posts
removed more unused files
Merge pull request #31 from mgaldzic/updated_build2

removed duplicated instructions from front build page. Other minor
updated docs
repositioned gh-pages to docs.libroadrunner.org, the new libroadrunner.org is now live
added cpp docs
removed old cpp docs
updates
updated docs
Merge branch 'andy-gh-pages' into gh-pages
new c++_plugin_docs