Remove ideas for improvement (they're complete or near completion) and mention Flynn.
Pull the advanced installation sections into their own document
Update environment variable section to reflect new config plugin
Add upgrade instructions for users pre-27d4bc8c3c
spelling
Merge pull request #303 from kkurian/patch-1

spelling
dotcloud/docker#1869 is closed and released
Merge pull request #307 from mmalecki/patch-1

dotcloud/docker#1869 is closed and released
Use the FQDN to setup the HOSTNAME and VHOST files.

The HOSTNAME environment var only contains the first part of the domain
name. Use the fqdn to have it entirely.
Set the hostname of the ci receiver correctly.
Merge pull request #310 from plietar/fqdn

Use the FQDN to setup the HOSTNAME and VHOST files.
Make targets in the Makefile part of PHONY.
Don't overwrite $DOKKU_ROOT/{HOSTNAME,VHOST}
Enable tracing in hooks when DOKKU_TRACE is set.

This makes it much easier to debug plugins.
Also source the 'dokkurc' file when starting dokku. This makes it easy
to define DOKKU_TRACE over ssh.
Enable DOKKU_TRACE when running travis tests.
Merge pull request #317 from plietar/master

Enable tracing in hooks when DOKKU_TRACE is set.
Merge pull request #309 from plietar/make-phony

Make targets in the Makefile part of PHONY.