Stop using bosh packages inside warden containers [#47298255]

- Remove custom path environment variables in dea job.
- Update rootfs blob
- Bump src/dea_next:

  Alex Suraci, Bleicke and Max Brunsfeld (1):
        Put back code for bind mounts specified in config file

  David Sabeti and Max Brunsfeld (1):
        Remove code for mounting bosh packages into warden containers

  cf-frameworks (1):
        Update README.md
Add core only template
Moved jobs mysql_node_external and rds_mysql gateway

These jobs are now here:
https://github.com/cloudfoundry/cf-services-release
Make core template default template
Add npm-1.2.18 to buildpack cache package
Update rootfs - add libsqlite3-dev
added logrotate to gorouter [#48342815]

After investigating we found that the access.log is being rotated, but
could not find out what is doing it.
Renamed bin/gorouter to bin/gorouter_ctl to match conventions.
Update lucid64 rootfs - add libmagick9-dev