Refactored view manager to perspective manager
Removed text from the buttons in the default perspective
Size of the message in the alert and confirm dialogs increased
Showing alert message by switching perspectives with no location choosed
Fixed issue for loading the extension from a external path
removed test data
changed the place of some dialogs in file
Saving options now does not reload tagspaces
Ability to change the ext folder now disabled
Added border to files in the thumb view
Added border to files in thumbs perspective
Drag and Drop issues fixed
Added "check for new version" functionality