Add phantom type examples
Changed [link](example.com) to [link][example]
Merge pull request #306 from GBGamer/link-ref-correct

Changed [link](example.com) to [link][example]
Merge pull request #304 from GBGamer/master

Changing `mkdir` to `mkdir -p` in setup-stage.sh
Add chapter on command-line arguments
Merge pull request #76 from vks/args

Add chapter on commandline arguments
Merge pull request #160 from mdinger/generic_phantom

Generic phantom type
Elide lifetimes in `generics/implementation`
Merge pull request #307 from mdinger/elide_lifetimes

Elide lifetimes in `generics/implementation`
Add #[deriving(Copy)] to Point