Add new google API and WebSearch tests

Move setResults function to public for unit testing purpose
Add static class variables

API / Key / Search Engine
Fixing type
Fixing type 2
Fixing type 3
Fixing type for travis
Split functions role and add proper parsing

_Split setResults into two functions:

1) parsingResults -> parse Json value to a c++ multimap (easier data
access with same key)

2) setResults -> can set any key content into a vect

_Remove setResults from searchTopic (same reason)
Add raw_Json variable

_Unit test....
Cpp11 opti
Cpp11 opti
Merge pull request #17 from PaulDib/WebSearch

Add new google API and WebSearch tests