Adding badge and explanation for Travis CI example status
Adding badge and explanation for Travis CI example status

graydon/rust,aidancully/rust,graydon/rust,SingingTree/rustfmt,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,rust-lang/rustfmt,SingingTree/rustfmt,rust-lang/rustfmt