resolves #594 added template to README for 0-1-4

- mentioned DocBook 5 backend in intro
- simplified OS and system requirements sections
- removed AsciiDoc vs Asciidoctor section
- added links to docs
- added IRC link
- added news link
- updated link refs in header
- split install and upgrade sections
- adjusted Rubinius version
- replaced resources section with expanded help section
- I'm a commit message monster in vim!
Merge pull request #595 from graphitefriction/add-readme-template

resolves #594 revised README for 0.1.4, restructured to conform to new README template