vcsh: Formatting
Use GFM table syntax for usage examples

Table syntax in GFM?  Oh, yes: 
<https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet#tables>
Merge pull request #97 from Zearin/tables

README.md: Use GFM tables for Usage
Merge branch 'master' of github.com:RichiH/vcsh
Use printf, not echo -n to print messages without newline

OS X echo does not understand -n and prints it literally
Merge pull request #98 from dottedmag/fix--echo-n-os-x

Use printf, not echo -n to print messages without newline
add Gentoo installation in README
Merge branch 'master' of github.com:RichiH/vcsh
vcsh: Fix mktemp bug

2650689d28f662e147d0be4c3ee248f873dbcc3c introduced a bug:
If we are using a template, GNU mktemp will use PWD instead of $TMPDIR
vcsh: Improve error message
Merge pull request #101 from dastergon/add_gentoo_doc

Add Gentoo installation in README
README.md: Update Debian install directions
Use sh 'default value' expansion more idiomatic construct
vcsh: More resilient variable handling for 6b22746e94bf469dd462907fd43d13a454e56ede
Use "assign default values" sh feature to simplify defaults handling
Use 'case' sh construct to shorten short commands' recognition
vcsh: Typo
vcsh: Improve comments
Release v1.20131229
Merge tag 'v1.20131229' into homebrew

Tag v1.20131229