Added test-results to .gitignore
Added regions to DatabaseManager
Added LibraryDirectory property to LibraryFileManager
- Added LibraryManager class which ties DatabaseManager and Filemanager together so that only
one class needs to be used
- Moved config folder to LibraryManager
- Added xml config file to FileManager
Updated PreferencesDialog xib
Updated code in LibraryFileManager & LibraryManager 
Reconfigured PreferencesDialog.xib
Commented out unrunnable code in LibraryFileManager
Disabled image well in MetadataDialog.xib