dockerfile: upgrade to sameersbn/ubuntu:14.04.20141026 base image
readme: make bitcoin address clickable
readme: document use of `docker exec` for shell access
init: specify database port in mysql and postgresql commands
install: set PATH environment variable for redmine cron jobs, Fixes #60
readme: setup @hourly schedule in recurring_task plugins setup example, refer #60
readme: cleanup plugin install instructions
readme: use coinbase link
init: added `NGINX_WORKERS` configuration option
readme: document use of fig in quickstart guide
fig.yml: use v.2.6.0-1
fig: use sameersbn/postgresql image
fig: publish port 80 on host port 10080
properly remove ssl_dhparam line from nginx config

without a DH parameter, a typo was causing nginx site
config to be in a corrupt state.
Merge pull request #62 from amirkdv/master

properly remove ssl_dhparam line from nginx config
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Dockerfile