[docker] Fixes coreroller/rollerd image static assets (#75)

- Somehow missed the * in the last PR

Increased defaultPerPage pagination value to 500 (#63)

Frontend is not using pagination yet so the only entries displayed are
the ones within the defaultPerPage value. This was causing some issues
regarding instances not being listed, but it could affect some other
entities that rely on the same default value (apps, groups, etc).

Fixes #60

Regenerated bindata file after migrations update (#56)

Fixes #55

Move uuid-ossp creation to migrations (#54)

Fixed gb version to v0.4.4 in Dockerfiles (#53)

gb doesn't support Go 1.5 as of commit f11784c

Fixed issue extracting ip from x-forwarded-for header (#51)

Updated README.md