Internal: switch to atoum 2.0 & php7 in ci matrix

Merge pull request #18 from shouze/atoum/upgradeTo2.0

Upgrades: Atoum 2.0, php 7 in ci matrix

Allow Symfony 3.x

v1.0.1

Support for symfony 3.0

First stable version.

v1.0.0

s/Geocoder/Accounting/