Merge branch 'retina' into load-unsupported-projects
Don't allow selecting unsupported projects in the reference manager dialog
[Ide] Made some welcome page widgets easier to alter by other welcome
page designs.
[Core] Allow saving unsupported projects

Only known properties are changed. Everything else is left intact.
[Ide] Improve support for unsupported projects

Show unknown warning icon overlay at the bottom left corner of the project
icon, so that it doesn't clash with the version control overlay.
Merge pull request #489 from LogosBible/ExecutionTargetReset

[Ide] Fix execution target list unexpectedly changing.
Fixed 'Bug 18061 - Incorrect "delegate subtraction has unpredictable result" warning'
Bump nrefactory.
Bump fsharpbinding
Merge remote-tracking branch 'origin/master' into fsharp

Conflicts:
	version-checks
[NuGet] Custom draw the entire list view row in Add Packages dialog.

Custom draw allows the background color of the entire row to be set.

When no items are checked then the current item has a blue strong
selection color. When one or more items are checked the selection
color is changed to grey.

Centered NuGet package icon.
Using images for check boxes.
Check boxes are semi-transparent until one or more is checked.
Then the check boxes are made opaque.
[NuGet] Install checked packages when enter key pressed.

Add Packages dialog was installing the selected package instead of
those checked.
[NuGet] Fix spinner label being truncated.

Increase size of spinner to match design.
[WelcomePage] Added support for font weights other than bold.
Bump nrefactory.
Fix build.
[NuGet] Show icons for packages in Add Packages dialog.

If a package has an associated icon then load it is loaded in the
background and displayed when loaded.
Use larger NuGet icon by default.
Make default NuGet icon semi-transparent.
[NuGet] Always show Packages node in Solution pad.
[CSharpBinding] Added in text for some keywords.

Added in the form and summary markup for the missing keywords.
[CSharpBinding] Added tooltip for dynamic.