update travis-ci script to ubuntu 18.04 (bionic)

Author: IvanPaez

.travis-ci.sh

@@ -3,8 +3,8 @@
 WD=$(pwd)
 cd $(mktemp -d)
 RD=$(pwd)
-curl -L -o zenohd https://github.com/atolab/atobin/raw/master/zenoh/unstable/ubuntu/16.04/zenohd
-curl -L -o zenoh-plugin-storages.cmxs https://github.com/atolab/atobin/raw/master/zenoh-storages/unstable/ubuntu/16.04/zenoh-plugin-storages.cmxs
+curl -L -o zenohd https://github.com/atolab/atobin/raw/master/zenoh/unstable/ubuntu/18.04/zenohd
+curl -L -o zenoh-plugin-storages.cmxs https://github.com/atolab/atobin/raw/master/zenoh-storages/unstable/ubuntu/18.04/zenoh-plugin-storages.cmxs
 chmod +x $RD/zenohd
 chmod +x $RD/zenoh-plugin-storages.cmxs
 $RD/zenohd -P "$RD/zenoh-plugin-storages.cmxs" --verbosity=debug > $RD/zenohd.out 2>&1 & echo $! > $RD/zenohd.pid

.travis.yml

@@ -1,6 +1,6 @@
 before_install:
   - sudo apt-get install -y libssl1.0.0 libev4
-  - sudo curl -L -o /usr/local/lib/libzenohc.so https://github.com/atolab/atobin/raw/master/zenoh-c/unstable/ubuntu/16.04/libzenohc.so
+  - sudo curl -L -o /usr/local/lib/libzenohc.so https://github.com/atolab/atobin/raw/master/zenoh-c/unstable/ubuntu/18.04/libzenohc.so
   - sudo apt install -y python3-pip
 addons:
   apt: