Add ability to not display pools on the web page

There's a new database record for each pool called "show_pool".  If it's
On, then the pool will display, anything else then it won't.
Add show_pool to insert.  Default is On
Add cleanup of temp files
Add in platform check.

Was asked to put SANVisum onto either RedHat or SuSE, as that is our
officially supported platforms here.  So, opensuse it is :).  Once
that's working it should be simple to add in SuSE to the case
Add more to the sonas filesystems, still some to go