Enable platform site-list block, since it had to be renamed, and fix visibility custom php for legibility.
Allow the redirect to the welcome page to be turned off.
Issue #2050881: Call drush.php via php, since it isn't executable when installed via PEAR.
Use custom functions for block visibility.
Add missing parameter
Issue #1940378: Fix PHP 5.4 warning by initializing an object variable prior to assigning properties.
Fix reference to uninitialized variable.
Do not try to set ->db_name, when first installing a site, since we don't know it yet.
Use constant instead of integer
Issue #2046783 by helmo | ergonlogic: Add update hook to enable jquery_update
Issue #2061509 by chertzog: Fix list of platforms is no longer updated to match install profile clicked at node/add/site.
Issue #2012508 by chertzog | helmo: Fixed hosting_context_name() returns '@' if node not found.
send to the backend a ip_addresses array instead of a single entry, as we support multiple servers

should fix #2071317, but untested
Issue #1882708 by chertzog | Deciphered: Fixed Unused 'release_id()' field in 'hosting_platform()'.
Issue #1387578 by chertzog: Fixed hosting_queues_cron_cmd() makes unwarranted assumptions about bash availablility.
Issue #2077793 by helmo: Fixed Queue daemon collecting quotes.
Fix warnings, on create server

Similar to the work for hosting_ip_save in 0ac78b93ed494219f1a8c73ac3aaf5a6969c331b
Issue #2097363 by clemens.tolboom: Fixed Add site spins forever.
Remove extra variable and check for key existence.
Move complicated join to a helper function, so it becomes easier to look up the hostmaster site's nid.