Merge pull request #3 from EpocSquadron/master

Make start script actually symlink themes and config. (fixes #1 and #2)
Improved overrides. Doesn't delete default theme(s).
Pull latest Ghost build

This Dockerfile was a bit behind with version 0.4.0 of Ghost
Merge pull request #4 from andyboutte/master

Pull latest Ghost build
corrected references to ghost.zip
Merge pull request #5 from andyboutte/master

Corrected references to ghost.zip
Allow for images directory to also be overridden
Merge pull request #7 from nickread/master

Allowed images directory be overridden.
Added LICENSE.md
Renamed LICENSE.md to LICENSE
Improved Dockerfile. Added mountable directory /data.
Fixed syntax bug in Dockerfile.
Flattened RUN statements into a single one.
Updated README.
Allow execution with a dedicated ghost user so ghost execute as non root
Updated README.md
Merge pull request #10 from revollat/master

Allow execution with a dedicated ghost user so ghost execute as non root.
Simplified start.bash by moving commands to Dockerfile. (issue #10)
Fixed bug in RUN command.
Updated comment in start.bash