Merge pull request #90 from Smons/master

- Added almost complete implementation of IKImageBrowser
- Set SizeOfInteger as a global method in Cocoa
- Fixed NSEvent.MouseLocation which was incorrectly implemented as an instance method
- Overloaded NSEvent.locationRelativeToNSView so it can work with something else than a NSControl
- Fixed NSIndexSet.Operator_Convert
Better explanation on how to try out and add the code to one's own project, by Gavin Smith (https://forum.xojo.com/4225-macoslib/p2#p39675)
Merge pull request #93 from tempelmann/master

Better explanation on how to try out and add the code to one's own project, by Gavin Smith (https://forum.xojo.com/4225-macoslib/p2#p39675)
Readme: Changes refs from Real Studio to Xojo
Merge pull request #94 from tempelmann/master

Readme: Changes refs from Real Studio to Xojo
- Improved "macoslib for Advanced Users"
- Rebased PDFView on CanvasForNSView.- Implemented events to PDFView from NSNotifications: DocumentChanged, PageChanged, ScaleChanged, SelectionChanged, HistoryChanged, DisplayModeChanged.- NSObject: added Superclass and PerformSelectorOnMainThread (untested).- Enabled the close widget of the Welcome to macoslib window. Window can be opened from the Help menu.

Signed-off-by: Stéphane Mons <st.mons.lists@free.fr>
Merge commit 'b7fcf40e8903a057099bbb1d57d4a219ba88f53d'

Signed-off-by: Stéphane Mons <st.mons.lists@free.fr>