Make full example modules (issue #20)

This version introduces multiple enhancements:

fixed translations for core markers module

Details of additions/deletions below:
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Modified:   /BLUE_FRAMEWORK/modules/example_core_markers/layouts/index.html
            -- Updated --
                hardcoded text replaced by translation markers

Modified:   /BLUE_FRAMEWORK/modules/example_core_markers/lang/example_core_markers_en-GB.php
            -- Added --
                missing english translations

Modified:   /BLUE_FRAMEWORK/modules/example_core_markers/lang/example_core_markers_pl-PL.php
            -- Added --
                missing polish translations