Fixed/Implemented: replaced intval() by $app->functions->intval() in all interface functions due to big number problem in intval()

- Implemented immediate change of theme on selection
- Fixed error message on incompatible theme

- Implemented session message system (template modifications pending)
- Updated ISPC SVN version number to 3.0.5

Fixed: password match function blocked tabs incorrectly
Fixed: set focus on username input field threw an error if this field did not exist on a page

Corrected paths in main tpl

Addes some missing translations

all flags as separate .png files: https://github.com/downloads/foe-services/ispc-larry/flags_separate.rar
.psd files for all flags as layers and sprite: https://github.com/downloads/foe-services/ispc-larry/flags_psd.rar

FS#2288 - Importer for data from Plesk control panel (first INCOMPLETE version, see bugtracker for status)

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

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