OpenSencillo 2015.107

1. New welcome page
2. Fix #17 database foreign key problem
3. New structgen class for generating menu or galleries
4. Update manager tool #3 - no gui
5. Paylock subsystem - update
6. Add OG tags
7. Add Snippet meta tags
8. Fix Snippet bug
9. Fix first start database login problems
10. Add menu generator
11. Fix foreigns keys in core_sql #17
12. Create config class for database layout
13. Add support config class in core_sql
14. Add structure.generator.structgen.php for generate universal structures
15. Add google.analytics.goas.php library for support Google Universal Analytics
16. Add bootUp class for in class loading sencillo

pre-release with GUI v1.0 - 2015.106
pre-release with GUI v1.0 - 2015.105
pre-release 2015.005