Add packages/ to gitignore
Add proper WebSearch Class

WebSearch class using cpprest SDK library
Correction syntaxe

J'en ai profité pour ajouter une petite conversion du string_t (format
de la lib) en string simple avant de le passer dans le vecteur. Ca
simplifie l'utilisation.
Blank lines
Merge pull request #10 from PaulDib/WebSearch

Merge pull request #10 WebSearch
Trying to restore Travis CI build.
Adding necessary travis.yml to build in c++11
Adding apt-get update.
Adding missing ppa repo.
Adding boost components.
adding repository
adding repository
adding repository
Building boost without apt-get.
Not building unnecessary boost components. (Reducing travis build time).
Correcting install dependencies script.
Disabling warning that cause casablanca compilation to fail.
removing apt-get install boost, since we're compiling it by hand.
fixing cpprest root folder
Fixing Cpp rest root.