Corrected concatenation and string value templates
Fixed build under windows
Correct concatenation generation for C language
PHP-style print text block replaced with Lua-style one
Added text language variables state resetting before generation process
Added casting to string even non-string values in print text block generation
Added quotes to default text in print text block
Fixed standge behaviour of generator libs build.
Merge pull request #1377 from dvvrd/new-print-text-block

Lua strings support for generators