Minor bug fixes and updates:

* Removed progress bar sample that progresses in reverse direction - This needs a class of its own
* Fixed a casting error in progress_bar class when dealing with max_progress variable
* Minor update to the cursor movement functions in linux
* Updated single include to include these changes

include/indicators/block_progress_bar.hpp

@@ -183,6 +183,7 @@ private:
     }
   }
 
+public:
   void print_progress(bool from_multi_progress = false) {
     const auto max_progress = get_value<details::ProgressBarOption::max_progress>();
     if (multi_progress_mode_ && !from_multi_progress) {