Make Linux happy

- added new file, swl_menutextinfo.cpp to codeblocks project
- added -std=c++11 compiler option to codeblocks project. Needed because we use 'auto' keyword. 
- wal_sys_api.cpp, locale - switched to non-unicode to make g++ happy. Will investigate.

The application starts under Linux64
Merge pull request #78 from helgp/master-0.16.2

Make Linux happy