[jaring] lib.Jaring: populate database using app.sql script.
[jaring] show mask when login clicked.
[jaring] Synchronize database script.

Conflicts:
	db/init.my.sql
[jaring] lib.Jaring: add function to auto generate id.
[jaring] lib.Jaring: add function generate id.
[jaring] Fix database auto increment madness.

* Use in application auto generate id for database tables.
* Merge all DDL into one script.