Update .travis.yml and README.md

.travis.yml

@@ -8,4 +8,4 @@ before_install:
   - docker build -t calamares .
 
 script:
-  - docker run -v $PWD:/build calamares bash -lc "cd /build && cmake -DWEBVIEW_FORCE_WEBKIT=1 -DKDE_INSTALL_USE_QT_SYS_PATHS=ON . && make -j9"
+  - docker run -v $PWD:/build calamares bash -lc "cd /build && cmake -DWEBVIEW_FORCE_WEBKIT=1 -DKDE_INSTALL_USE_QT_SYS_PATHS=ON . && make -j2"

README.md

@@ -3,6 +3,7 @@
 
 [![GitHub release](https://img.shields.io/github/release/calamares/calamares.svg)](https://github.com/calamares/calamares/releases)
 [![Build Status](https://calamares.io/ci/buildStatus/icon?job=calamares-post_commit)](https://calamares.io/ci/job/calamares-post_commit/)
+[![Travis Build Status](https://travis-ci.org/calamares/calamares.svg?branch=master)](https://travis-ci.org/calamares/calamares)
 [![Coverity Scan Build Status](https://scan.coverity.com/projects/5389/badge.svg)](https://scan.coverity.com/projects/5389)
 [![GitHub license](https://img.shields.io/github/license/calamares/calamares.svg)](https://github.com/calamares/calamares/blob/master/LICENSE)