security authentication
updates to security, adds a login form
updates to security.yml
implementing user provider
Merge branch 'master' of https://github.com/njrD/CallMe into security

Conflicts:
	src/CallMe/WebBundle/Entity/User.php
Merge branch 'master' of github.com:njrD/CallMe into security

Conflicts:
	src/CallMe/WebBundle/Entity/User.php
Merge branch 'security' of https://github.com/accortez/CallMe into security

Conflicts:
	src/CallMe/WebBundle/Entity/User.php
modified login twig file
fixes login issue caused by double hashing the password
code standard fixes
changes based on PR
Merge pull request #7 from accortez/security

Security