Adapt to latest Odoo release. Add some protections against bad start up values.
  On branch master. Your branch is up-to-date with 'origin/master'.
 - InstallPortableOpenERP.sh - protect against running as wrong user or from wrong directory
 - MountParameters.sh.example - protect against unsuitable username
 - ipoerpAptDependencies.sh - new required module python-decorator
 - ipoerpMakeOerpServerConfigFile.sh - logs getting written to wrong directory
 - ipoerpPipInstallToVEnv.sh - new required module pyPdF
 - ipoerpPrepareUsersAndDirectories.sh - new location for sessions data and addons
 - ipoerpUpdateOpenErpSourceCode.sh - improve name and documentation for fake clone repo.  hide old launchpad stuff