Change default framework view (issue #17)

This version introduces multiple enhancements:

added code highliter
added collapse show code block
added back to top button

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

Added:      /BLUE_FRAMEWORK/elements/css/shCore.css
            -- Added --
                code highlighter styles

Added:      /BLUE_FRAMEWORK/elements/js/shCore.js
            -- Added --
                code highlighter script

Added:      /BLUE_FRAMEWORK/elements/css/shThemeDefault.css
            -- Added --
                code highlighter styles

Added:      /BLUE_FRAMEWORK/elements/js/XRegExp.js
            -- Added --
                code highlighter script

Added:      /BLUE_FRAMEWORK/elements/js/shBrushPhp.js
            -- Added --
                code highlighter script

Added:      /BLUE_FRAMEWORK/elements/js/shBrushXml.js
            -- Added --
                code highlighter script

Added:      /BLUE_FRAMEWORK/elements/js/examples.js
            -- Added --
                code highlighter run and back to top handler

Modified:   /BLUE_FRAMEWORK/modules/example_generate/layouts/index.html
            -- Updated --
                changed structure to handle collapse code highlighter

Modified:   /BLUE_FRAMEWORK/modules/example_generate/elements/css/css.css
            -- Added --
                show source styles

Modified:   /BLUE_FRAMEWORK/elements/layouts/examples/example.html
            -- Added --
                back to top button

Modified:   /BLUE_FRAMEWORK/modules/example_generate/lang/example_generate_en-GB.php
            -- Added --
                show source translation

Modified:   /BLUE_FRAMEWORK/modules/example_generate/lang/example_generate_pl-PL.php
            -- Added --
                show source translation

Modified:   /BLUE_FRAMEWORK/cfg/lang/core_en-GB.php
            -- Added --
                back to top translation

Modified:   /BLUE_FRAMEWORK/cfg/lang/core_pl-PL.php
            -- Added --
                back to top translation
Merge remote-tracking branch 'origin/version-2.0.1' into blue-objects
Merge pull request #120 from chajr/blue-objects

Blue objects