Add missing clang-format

.ci/install.sh

@@ -5,5 +5,5 @@ set -ex
 if [ $TRAVIS_OS_NAME == osx ]; then
     brew update || true
     brew upgrade boost || true
-    brew install libsodium
+    brew install libsodium clang-format
 fi

.travis.yml

@@ -61,6 +61,6 @@ after_success:
     if [ $COVERAGE == ON ]; then
       docker run -v `pwd`:/build \
         --net=host mujx/mtxclient-dev:0.1.0 \
-        /bin/bash -c "cmake --build build --target test_coverage && ./.ci/coverage.sh" && \
+        /bin/bash -c "make -C build -j1 test_coverage && ./.ci/coverage.sh" && \
       bash <(curl -s https://codecov.io/bash) -f "!*tests*" || echo "Codecov failed"
     fi