Update travis

.travis.yml

@@ -1,4 +1,5 @@
 language: rust
+sudo: required
 rust:
   - stable
   - beta
@@ -10,6 +11,17 @@ matrix:
     - os: linux
   fast_finish: true
 
+addons:
+  apt:
+    packages:
+      - libcurl4-openssl-dev
+      - libelf-dev
+      - libdw-dev
+      - cmake
+      - gcc
+      - binutils-dev
+      - libiberty-dev
+
 os:
   - linux
 
@@ -23,3 +35,18 @@ script:
   # - cargo test --release --all-features
   # - cargo test
   # - cargo doc --all-features --no-deps
+
+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/font_helper-*; do [ -x "${file}" ] || continue; mkdir -p "target/cov/$(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"