Merge pull request #191 from ddcc/master

deps: check for package installation failure

deps.sh

@@ -146,6 +146,11 @@ fi
 # Do the install(s)
 cd /tmp
 sudo $PKGCMD $PKGCMD_OPTS $PKG_CANDIDATES
+if [ $? -ne 0 ]
+    then
+    echo "Package installation failed: $PKG_CANDIDATES"
+    exit 1
+fi
 install_pip_package pyqtgraph
 install_pip_package capstone
 install_sasquatch