2.3: Merge pull request #148 from andresgongora/release
- Abridged installation steps.
- Quick 256-color reference in fancy-bash-prompt.config, suggested by Omega100.
- Added note to make sure UTF-8 is enabled in locale config, suggested by dzionek.
- Added symbol to indicate status of the current git branch if current workdir is inside git branch. Inspired by twolfson's sexy-bash-prompt (https://github.com/twolfson/sexy-bash-prompt).