Data are now sent to the database for treatment

Sources and filters can be received by the database using this format :
Array for sources :
name : arraySource
format : [{twitter,google, rss},{ONE data},{twitter,google, rss},{ONE
data},...]

Array for filters :
name : arrayFiltering
format : [{AVEC,OU,ET,SANS},{ONE data, ONE data, ONE
data,...},{AVEC,OU,ET,SANS},{ONE data, ONE data, ONE data,...}, ...]

Added 4 images for future sources
Put all the text in .yml

Commenting all the code

Put all the text in the .yml file
Changing a bit of french comment
Merge pull request #5 from tcomte/master

Standardization of code