Add french book "Algorithmique", Michel Quercia
Add MOOC edX
coquille mardkown
added German OpenBooks by O'Reilly
Merge pull request #207 from ericguirbal/algo

Add french book "Algorithmique", Michel Quercia
Merge pull request #208 from ericguirbal/mooc

Add MOOC edX
Revert #200
Merge pull request #209 from maieul/master

coquille mardkown
Merge pull request #210 from Tafkas/master

Added German OpenBooks by O'Reilly