Merge pull request #17 from bvssvni/master

Added script for generating docs
Update README.md
Added section about how to setup new project

Closes https://github.com/PistonDevelopers/piston-workspace/issues/20
Update README.md
Added how long building script is going to take

Closes https://github.com/PistonDevelopers/piston-workspace/issues/22
Added link to Piston tutorial

Closes https://github.com/PistonDevelopers/piston-workspace/issues/21
Added instructions of generating documentation

Closes https://github.com/PistonDevelopers/piston-workspace/issues/18
Merge pull request #24 from bvssvni/master

Upgraded to latest Rust
Merge pull request #25 from bvssvni/master

Upgraded
Added informatio about project

Closes https://github.com/PistonDevelopers/piston-workspace/issues/26
Add link to project site

Closes https://github.com/PistonDevelopers/piston-workspace/issues/27
Updated