Update config.php

add from_mail and from_name default config value
Update session.php

remove hardcoded email from do.not@reply.me
Update users.php

remove hardcoded email from do.not@reply.me
Update leaves.php

remove hardcoded email from do.not@reply.me
Update requests.php

remove hardcoded from email do.not@reply.me
Update overtime.php

remove hardcoded from email do.net@reply.me
Update extra.php

remove hardcoded from email do.not@reply.me
Update extra.php
Update session.php
Update extra.php
Update users.php
Update leaves.php
Update requests.php
Update overtime.php
Merge pull request #11 from cedricmm/master

ER:Removal of hardcoded references to do.not@reply.me and LMS as e-mail sender