Added a control file required to build the securedrop-grsec meta package.

removed the ossec and securedrop app portions from the build script since they are different now.

```
vagrant up mon-build --no-provision
sudo su
cd /vagrant/
./build_deb_packages.sh
```

dpkg does not resolve dependencies so testing is a 3 part process:

```
dpkg -i /tmp/build/securedrop-grsec-0.3-amd64.deb
apt-get -fy install
dpkg -i /tmp/build/securedrop-grsec-0.3-amd64.deb
```

There are other tools that you can install and use that do handle package dependencies for local deb packages.
Merge remote-tracking branch 'upstream/develop' into grsec-meta-package
Update the grsec package in ansible vars

This changes the package that ansible installs from the the grsec patched kernel to the securedrop-meta package.

The package name needs to match the package line in the grsec meta package DEBIAN/control file`Package: securedrop-grsec`
updated email address per @garrettr's note.

updated script with correct build dir.

Going to put the package in the repo and test before we should merge this pr.
Merge pull request #700 from dolanjs/grsec-meta-package

Grsec meta package