skip on the codecov report, add travis badge

.travis.yml

@@ -20,18 +20,3 @@ script:
   - "if [[ \"$TRAVIS_RUST_VERSION\" == \"stable\" ]] ; then cargo fmt --all -- --check ; else true ; fi"
   - cargo build --verbose --all
   - cargo test --verbose --all
-
-after_success: |
-  wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
-  tar xzf master.tar.gz &&
-  cd kcov-master &&
-  mkdir build &&
-  cd build &&
-  cmake .. &&
-  make &&
-  make install DESTDIR=../../kcov-build &&
-  cd ../.. &&
-  rm -rf kcov-master &&
-  for file in target/debug/termwiz-*[^\.d]; do mkdir -p "target/cov/$(basename $file)"; ./kcov-build/usr/local/bin/kcov --exclude-pattern=/.cargo,/usr/lib --verify "target/cov/$(basename $file)" "$file"; done &&
-  bash <(curl -s https://codecov.io/bash) &&
-  echo "Uploaded code coverage"

README.md

@@ -1,5 +1,7 @@
 # Terminal Wizardry
 
+[![Build Status](https://travis-ci.org/wez/termwiz.svg?branch=master)](https://travis-ci.org/wez/termwiz)
+
 This is a rust crate that provides a number of support functions
 for applications interesting in either displaying data to a terminal
 or in building a terminal emulator.