Added proto file, with the .py generated ang the br generator from adx requester.

-Also some code of the adx_plugin...
Add submodule of adx_encryption and the specific adx config file.
- First working version of adx plugin

- Fix in connection and request to send the buffer to the internet
 withuout encoding to utf-8. This was making the adx crash because
 the payload is binary protocol buffer.
- add __init__ to make  adx a python module (fix import errors)
- add a tag_parsing funtion to  get the auction_id  from a html
snippet.
- modify settings to use by default the adx plugin
Replace price in the case of getting the events from the html_snippet
Bugfix: now correctly parse the adx bid response.
BugFix: use spot id from bid req. Also use BR of mobile generator.
settingss....
MRP-835 Add support for hyperlocal and idfa to the adx BR generator
@MRP-835 Fix encrypted_advertising_id is under BR->mobile
@MRP-867 Add gender and ages to be send in adx bid requests.