Fix README and add travis config

.travis.yml

@@ -0,0 +1,20 @@
+language: rust
+sudo: false
+script:
+  - cargo build --verbose
+  - cargo test --verbose
+  - cargo doc
+  - rustdoc --test README.md -L target
+after_success: |
+  [ $TRAVIS_BRANCH = master ] &&
+  [ $TRAVIS_PULL_REQUEST = false ] &&
+  echo '<meta http-equiv=refresh content=0;url=gcc/index.html>' > target/doc/index.html &&
+  pip install ghp-import --user $USER &&
+  $HOME/.local/bin/ghp-import -n target/doc &&
+  git push -qf https://${TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git gh-pages
+env:
+  global:
+    secure: bnPRXhVawJwerfEWYNzEfzK8Y4GOme0RqyLqQ6E5GU6B1EdCGaPgz8d4q8S2nXCq8IrzbEGo7nJaWptO3iNTnG/NIQ4qcLsQaDCz8ICAZTbS1dTbNByX2S9GyXUxCkaIfRNCSTuRSD276tdgj69VOW3bp0rgUpkpYhoGupmc3VY=
+notifications:
+  email:
+    on_success: never

Cargo.toml

@@ -5,6 +5,7 @@ version = "0.1.6"
 authors = ["Alex Crichton <alex@alexcrichton.com>"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/alexcrichton/gcc-rs"
+documentation = "http://alexcrichton.com/gcc-rs"
 description = """
 A build-time dependency for Cargo build scripts to assist in invoking the native
 C compiler to compile native C code into a static archive to be linked into Rust

README.md

@@ -1,13 +1,19 @@
 # gcc-rs
 
+[![Build Status](https://travis-ci.org/alexcrichton/gcc-rs.svg?branch=master)](https://travis-ci.org/alexcrichton/gcc-rs)
+
+[Documentation](http://alexcrichton.com/gcc-rs/gcc/index.html)
+
 A simple library meant to be used as a build dependency with Cargo packages in
 order to build a set of C files into a static archive.
 
-```rust
+```rust,no_run
 extern crate gcc;
 
+use std::default::Default;
+
 fn main() {
-    gcc::compile_library("libfoo.a", &["foo.c", "bar.c"]);
+    gcc::compile_library("libfoo.a", &Default::default(), &["foo.c", "bar.c"]);
 }
 ```