Add a conditional around the secondary batch import. This is needed for atrium and future install profiles that make use of a l10n server

#475832 - set the site_url in the pre hook instead of post so that all verifications are done with the right url

#557990 - hard code the file directory path based on the $site_url , no longer relying on conf_path which changes when accessed from aliased sites

Set the umask in the settings.php file, so that directories created by the web server remain writable. Also chmod on the files directory is no longer generating an error. This is a critical issue that stopped verification, deleting and migration of any site with imagecache enabled. namely all open atrium sites. also fix #533034

#533974 by mig5 - properly mark the Drupal 6 install as finished in the database so install.php knows drupal is installed

#529382 - handle properly arbitrarly long error messages in chmod by implementing the recursive mode natively

Fix an error in the population of the database url, that was getting triggered during import of sites that have non matching user names and database names

Added chmod_recursive, chown_recursive and chgrp_recursive to provision_path, and also added -p to the tarball creation and extraction, to preserve permissions.

#486718 by anarcat - split up admin account creation from email sendout so that it works even if client_email is not set. while i'm here, fix up the bootstrap sequence in deploy

when doing backups, don't use '*' as a pattern because that's relative to the current directory, use .

when doing backups, do not use a seperate command to cd, tell tar to use that directory instead. this will make sure that the command doesn't succeed if the source directory doesn't exist

Run install profile custom tasks, and support tasks that use the batch API to install additional modules and the like