~ started working on config & multiple DB support
+ started working on config, multiple database support and optional encryption
Merge branch 'master' into config

Conflicts:
	build/classes/docz/AddDialog.form
	build/classes/docz/DocZMainFrame.form
	nbproject/private/private.xml
~ bug fixes
+ DB choosing dialog at start
+ Menu (change DB, change PW/encrypt, exit)
~ changing PW not working yet
+ Dialog for changing/creating new databases
+ multi-database support
+ initial databases are unencrypted and can be encrypted with "File->encrypt DB"
+ started working on exporting/importing databases
blabla
~ export procedure
~ export
~ import working ...
~ import & export working
~  added nbproject to .gitignore
~ moved database import- and export methods to DataHandler
~ merged import & export function into config branch
Merge branch 'config'

Conflicts:
	build/classes/docz/AddDialog.form
	build/classes/docz/DocZMainFrame.form
	nbproject/private/private.xml
	src/docz/DocZMainFrame.form
	src/docz/DocZMainFrame.java