update changelog and change thelia version
Prepare 2.0.3-beta2

Update README ( composer create-project )
Merge pull request #579 from lunika/prepare_beta

Prepare 2.0.3-beta2 version
ignore casperjs screenshots in git
Added functionnal test for front office : home, register, login, cart
use beta version of CasperJS for more stability :/
Fixed test path
Removed outputs from php built in server
Merge pull request #580 from lovenunu/patch-1

Prepare 2.0.3-beta2
changed wait timeout
changed screenshot path
Added script for phpunit
make a uniq script to execute phpunit and casperjs
changed some paths
Merge pull request #581 from bibich/casperjs

Casperjs : functionnal tests for front office
update composer file, introducing 2.1 version