Login Listener Creation
Fully Working with login
Login by return key

Return key is set as default key during the login.
menu deleted
small changes
Merge branch 'master' into PawelNew
ver12
fixed query subcat
ver12
sorted alphabetically lists in query
Maintain Categories updated
Merge branch 'PawelMerge'

Conflicts:
	src/com/group8/model/DataQueries.java
conflict fixed
ver12
Merge branch 'PawelMerge'
ver13
Merge branch 'PawelNewMerge'
Merge branch 'master' of https://github.com/junysz/ProMusicaInventorySystem

Conflicts:
	src/com/group8/controller/Controller.java
	src/com/group8/view/MaintainPanel.java