ci: expand Travis-CI build matrix and use two parallel build jobs

Change-Id: I7dbba5bcd63274daa9b0da2ee9d631a55c1eca9e
diff --git a/.jenkins.d/00-deps.sh b/.jenkins.d/00-deps.sh
index eb4e968..6448fbe 100755
--- a/.jenkins.d/00-deps.sh
+++ b/.jenkins.d/00-deps.sh
@@ -24,12 +24,12 @@
 
 if has Ubuntu $NODE_LABELS; then
     sudo apt-get -qq update
-    sudo apt-get -qq install build-essential pkg-config libboost-all-dev \
+    sudo apt-get -qy install build-essential pkg-config libboost-all-dev \
                              libcrypto++-dev libsqlite3-dev libssl-dev \
                              libpcap-dev
 
     if [[ $JOB_NAME == *"code-coverage" ]]; then
-        sudo apt-get -qq install lcov libgd-perl python-setuptools
+        sudo apt-get -qy install lcov libgd-perl python-setuptools
         sudo easy_install --upgrade gcovr
     fi
 fi