Merge pull request #519 from luixxiul/development

Development
Merge pull request #520 from luixxiul/development

descartes rewritten etc
Merge pull request #521 from luixxiul/development

link to facebook corrected
Merge pull request #522 from luixxiul/development

disqus widget css testing
Merge pull request #523 from luixxiul/development

javascript
reverted
Merge branch 'development'
Merge branch 'master' of https://github.com/luixxiul/luixxiul.github.io
bump
disqus for q&a