lossless compression of all images of the default themes by yahoo smush.it -> saving 36% ~ 500kb of 1350kb

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- Random password length: by default, generated passwords will have a length between 10 and 15 characters (instead of a fixed length of 10 characters).

- Added "Generate Password" links to forms of the sites module.

- Added search box to other templates as well.

- Added translations to global search.

Changed the UI for the DNS SRV records to help the user (instead of giving him 1 field which have to have 3 texts, now there are 3 fields which will be concated for the database and splitted for the user).

data --> weight port target

Merged revisions 3049-3051,3053-3054,3058,3070,3074-3077,3082,3086-3088,3091-3092,3094-3095 from stable branch.

Fixed: FS#2109 - Email address validation via API method(s) is inadequate (and results in false-negatives)

- Improved datalog functions.

- Make sure the apps vhost gets configured no matter if the ISPConfig interface is installed or not.