added database package, and database handeling class in allcode. a
liitle change in init, and writing to db in forum
Merge branch 'version2.1' into database

Conflicts:
	Forum/src/allcode/InitializeSystem.java
	Forum/src/allcode/Main.java
aaa
Merge branch 'database' into testing

Conflicts:
	Forum/src/allcode/InitializeSystem.java