replace text in templates by translation markers (issue #53)
This version introduces multiple enhancements:

All text in templates and in modules was replaced by translation markers, also added missing translation files

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

Added:      /BLUE_FRAMEWORK/modules/modul1/lang/modul1_error_en-GB.php
            -- Added --
               translation for modul1 error

Modified:   /BLUE_FRAMEWORK/modules/modul1/modul1.php
            -- Modified --
               replaced all text to translation markers

Modified:   /BLUE_FRAMEWORK/modules/modul1/lang/modul1_pl-PL.php
            -- Added --
               translations

Modified:   /BLUE_FRAMEWORK/modules/modul1/lang/modul1_en-GB.php
            -- Added --
               translations

Modified:   /BLUE_FRAMEWORK/modules/mod3/lang/mod3_en-GB.php
            -- Added --
               translations

Modified:   /BLUE_FRAMEWORK/modules/mod3/mod3.php
            -- Modified --
               replaced all text to translation markers

Modified:   /BLUE_FRAMEWORK/modules/mod3/lang/mod3_pl-PL.php
            -- Added --
               translations

Modified:   /BLUE_FRAMEWORK/modules/modul1/elements/js/script.js
            -- Modified --
               replaced all text to translation markers

Modified:   /BLUE_FRAMEWORK/modules/mod2/mod2.php
            -- Modified --
               replaced all text to translation markers

Modified:   /BLUE_FRAMEWORK/modules/modul1/layouts/layout1.html
            -- Modified --
               replaced all text to translation markers

Modified:   /BLUE_FRAMEWORK/modules/mod2/lang/mod2_pl-PL.php
            -- Added --
               translations

Modified:   /BLUE_FRAMEWORK/modules/mod2/lang/mod2_en-GB.php
            -- Added --
               translations