Fix the problem of <libs>.so not found. It is the case when ldconfig has not...

Fix the problem of <libs>.so  not found. It is the case when ldconfig has not been run and some OS where /usr/local/lib is not defaultlib path

developer_tools/clone_and_install_blaar_ubuntu.sh

@@ -47,6 +47,7 @@ echo
 echo "Install and check each project"
 echo
 ./install.sh all 
+sudo ldconfig #This is to update the cache of libraries in /usr/local/lib
 ./check_all.sh
 echo
 echo "Update your bash profile"