Add g2recruitment.com
Add require header to sieve output

Tuffmail refused to accept the raw script without this,
should make it a bit easier for others to use.
Merge pull request #4 from timabell/g2

Add g2recruitment.com
Merge pull request #5 from timabell/sieve-require-fileinto

Add require header to sieve output
Add x4group.co.uk
Add vividresourcing.com