Set a unique field email
Merge pull request #83 from GuraYaroslava/duble_email

Fix bug (creating a user with an existing email). Resolve #63
Fix bug: same emails were generated on Windows
Merge pull request #84 from rotanov/fix-gen

Fix bug: same emails were generated on Windows
Merge branch 'master' into post-thread

Conflicts:
	src/Network/StoreBundle/Entity/User.php