Merge pull request #1 from maxlawton/develop

Initial commit of develop into master, just because.
Linked files in README.md
Merge branch 'master' of github.com:maxlawton/git-redmine
Updated README file URLs and conf sample formatting
Removed '#' from ticket branch names to allow upstream tracking
Added 'stage' & 'close' commands to usage message
Support old ticket branch names in 'list' command
Add created_on to redmine-status-output.sh jq script
Detect ticket number in 'git-redmine status'
Implement 'die' fn a'la gitflow-common
Tracker implementation configurable via gitconfig ticket.tracker
Updated git-ticket usage descriptions for 'browse' & 'status'
Untabify git-redmine and git-ticket