Update link to Manager.io
Mac: Move initial call to LayoutChildren to OnLoad. Fixes laying out children or controls that have logic during OnLoadComplete (like Splitter). Additional fix for issue #144
Android: Implement Label.HorizontalAlign and VerticalAlign
Android: Initial implementation for TableLayout, CheckBox, Panel, and Scrollable
Gtk: Fix compiling with older versions of cairo. Fixes #145
Android: Add missing file
Android: Use dynamic layout for simple app
Mac: Button should use small square style when width is very small (< 22 px)
Mac: don't need to set application presentation options to support full screen. Fixes warning message on mavericks.
Mac: More bounds checks for Splitter calculations
Mac: Call Form.OnShown after window is shown (to be consistent with dialog)
Some cleanup
Mac: Show preview of document on PrintDialog
Mac: Scrollable should paint only dirty regions when scrolled, not entire scroll region (makes it work similarly to other platforms)
Mac: Fixup some Drawable logic to work better when CanDrawConcurrently is turned on
Merge remote-tracking branch 'picoe/develop' into dev2

Conflicts:
	Source/Eto.Platform.Android/Conversions.cs