added back ossec dependency
Merge remote-tracking branch 'upstream/develop' into fix-ossec-dependency
removed the mon_install_fpf_deb_pkgs.yml file. It was not included in that roles main.yml so wasn't being used.
Merge pull request #714 from dolanjs/fix-ossec-dependency

Fix ossec dependency
Script to back up essential data from a 0.2.1 instance
Fixes to the 0.2.1 collect script after testing
Separate function for collecting db, for cross-script clarity
Use absolute paths for Tor file backups for consistency
Add usage message to collection script
Add script to migrate 0.2.1 to 0.3
Load files from absolute paths so this can be run from anywhere
Add directions for migrating a SecureDrop instance using these scripts
Merge pull request #715 from freedomofpress/migration-scripts

Migration scripts
Properly migrate sources who have no submissions stored
Init db for migrate script to ease repeat runs
Update migration script to handle bug due to deleting sources with changed codenames
Make sure the database is owned by the securedrop user after migration
replace unattened upgrades with cron-apt.

The ubuntu security repos, fpf and tor repo are listed in `/etc/apt/security.list`

Every night at 4am the apt-get update for the repos listed in `security.list`

If a package requires a reboot it creates the /var/run/reboot-required file.

Every night at 5 am if that file exists the system will reboot.
removed the unattended-upgrades that were replaced by the cron-apt
re-added disabling swap with `swapoff -a`