Making password hashing more secure. Site wide salts/sha1 are not safe, crypt uses the best hashing algorithm available on your system.
Additional changes for password hashing changes.

Removing 'siteseed' setting from sites. Adding SQL patch files. Updating convert_from_newznab script
Updating Db patches, start.php and monitor.php revisions
merging niel's pr
Merge branch 'dev' of github.com:nZEDb/nZEDb into dev

Conflicts:
	Changelog
	misc/update_scripts/nix_scripts/tmux/monitor.php