Change default framework view (issue #17)

This version introduces multiple enhancements:

build base structure for example pages, and generic top for all pages
changed and added translations
finished breadcrumbs module and template
implemented generic top and fixed some page structure display
added some examples of content generation
added all styles for new view

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

Added:      /elementy/examples/top_line.png
Added:      /elementy/examples/second_menu_background.png
Added:      /elementy/examples/main_background.png
Added:      /elementy/examples/logo_glow.png
Added:      /elementy/examples/bottom_line.png
Added:      /elementy/examples/bluetree_framework.png
Added:      /elementy/examples/bluetree.png
Added:      /elementy/examples/background_glow.jpg

Modified:   /BLUE_FRAMEWORK/cfg/lang/core_en-GB.php
            -- Added --
                translations for examples and generic header
            -- Updated --
                changed example page title

Modified:   /BLUE_FRAMEWORK/cfg/lang/core_pl-PL.php
            -- Added --
                translations for examples and generic header
            -- Updated --
                changed example page title

Modified:   /BLUE_FRAMEWORK/elements/layouts/index.html
            -- Added --
                generic header

Modified:   /BLUE_FRAMEWORK/cfg/tree.xml
            -- Added --
                breadcrumbs and styles for main page

Modified:   /BLUE_FRAMEWORK/modules/example_generate/example_generate.php
            -- Added --
                _loopOptionalMarker to show example with optional content
            -- Updated --
                run to use _loopOptionalMarker

Modified:   /BLUE_FRAMEWORK/modules/example_generate/elements/css/css.css
            -- Updated --
                changed panel footer and panel heading styles in example page

Modified:   /BLUE_FRAMEWORK/elements/layouts/examples/header.html
            -- Added --
                whole generic header content

Modified:   /BLUE_FRAMEWORK/modules/example_generate/layouts/index.html
            -- Added --
                structure for loop optional marker
            -- Updated --
                panel header titles replaced by lang markers

Modified:   /BLUE_FRAMEWORK/elements/layouts/examples/breadcrumbs.html
            -- Removed --
                main page link, now are generated in tree_class in breadcrumbs list

Modified:   /BLUE_FRAMEWORK/modules/main/main.php
            -- Updated --
                run, turned off benchmark and tracer, home page name replaced by icon

Modified:   /BLUE_FRAMEWORK/elements/layouts/examples/example.html
            -- Added --
                structure for additional menu

Modified:   /BLUE_FRAMEWORK/elements/layouts/examples/examples.html
            -- Updated --
                changed structure to display example list

Modified:   /BLUE_FRAMEWORK/elements/css/styles.css
            -- Added --
                all styles for display generic header and some elements on example page

Modified:   /BLUE_FRAMEWORK/modules/example_generate/lang/example_generate_pl-PL.php
            -- Added --
                data_expected translation
            -- Removed --
                some translations moved to core

Modified:   /BLUE_FRAMEWORK/modules/example_generate/lang/example_generate_en-GB.php
            -- Added --
                data_expected translation
            -- Updated --
                some translations moved to core