Merge pull request #39 from folieadrien/master

Misc.
fix wrong link inside author file
add elixir support
fix typo mistake for javascript / ruby examples
rename image directories name
Merge pull request #42 from folieadrien/languages-support

language support diverse additions and fixes
remove junk files
add .DS_Store files to gitignore
Merge pull request #43 from folieadrien/cleanup

Cleanup
Update README.md
increase memory per container

erlang and jvm based languages need more than 64mb of ram to work correctly.
improve build

Update node to latest release.
Add all and re rules to make.
Merge pull request #44 from folieadrien/refactoring

improve build