Merge pull request #9 from rsaarelm/master

Declare now private-by-default struct fields public
Update examples
Remove unused file.
~str -> StrBuf
update travis config for death of the ppa
Added rust-empty

* Added Makefile
* Added more filters .gitignore
Merge pull request #11 from bvssvni/rust_empty

Added rust-empty
Update for Rust changed
StrBuf -> String, and a minor fix-up.
Merge pull request #14 from FreeFull/master

StrBuf -> String, and a minor fix-up.
Upgraded to latest Rust-Empty
Merge pull request #15 from bvssvni/master

Upgraded to latest Rust-Empty
Fixed 'make doc'

Closes https://github.com/cmr/hgl-rs/issues/16
Merge pull request #17 from bvssvni/master

Fixed 'make doc'
Upgraded to latest Rust and Rust-Empty
Merge pull request #18 from bvssvni/master

Upgraded to latest Rust and Rust-Empty
Upgraded to latest Rust-Empty
Merge pull request #19 from bvssvni/master

Upgraded to latest Rust-Empty
Upgraded to latest Rust-Empty + Cargo.toml
Merge pull request #20 from bvssvni/master

Upgraded to latest Rust-Empty + Cargo.toml