Main page in simple mode does not show "more info" switch if no database is generated yet

- This fixes #63.
Updated settings page to show switch for "expert user mode"
Updated help for settings page with expert user mode content
Fixed #67 Clear clipboard does not work
Fixed #66 Recent database list not updated after creation of the first database in simple mode
Merge branch 'master' of github.com:jobe-m/ownkeepass