change front office graphics [1.0.0] (issue #13)

This version introduces multiple enhancements:

changed view of liber system and applied to work with Arka Hotel page
fixed some small errors

Details of additions/deletions below:
--------------------------------------------------------------

Modified:   /templates/header.html
            -- Added --
                styles from from master page
                master page header structure
            -- Removed --
                meyer reset css styles

Modified:   /libs/Core.php
            -- Updated --
                _baseRender to handle new breadcrumbs view
                _getRooms added disable attribute to returned rooms data

Modified:   /js/scripts.js
            -- Updated --
                changed names of class for breadcrumbs handling

Modified:   /css/main.css
            -- Updated --
                changed main styles

Modified:   /templates/rooms.html
            -- Added --
                handling of disabled attribute

Modified:   /css/jquery.datepick.css
            -- Updated --
                changes styles for date picker

Modified:   /templates/footer.html
            -- Updated --
                master page footer structure

Modified:   /templates/breadcrumbs.html
            -- Updated --
                changed whole structure of breadcrumbs

Modified:   /templates/success.html
            -- Added --
                added currency for price sum

Removed:    /images/bluetree_base.png
Removed:    /images/bluetree_base_big.jpg
Removed:    /images/rough_diagonal_arka.png