fixed Internal Items selection in Sitecore 7.2

- When selecting internal items in 7.2 they aren't being displayed in
the list because they don't have a value for url
- Also tweaked the css a bit to improve the layout
updated css for links
Internal URL fix

Now gets the URL for internal items when loading from a field
Fixed opening sln file on osx
Merge branch 'mawiseman/master' into PR-8
removed suo files
Merge branch 'PR-8'

Conflicts:
	src/Sitecore.FieldSuite/Controls/GeneralLinks/GeneralLinkItem.cs
	src/Sitecore.FieldSuite/CustomSitecore/Fields/GeneralLinks.cs
	src/Sitecore.FieldSuite/Website/sitecore modules/Shell/Field Suite/Styles/FieldSuite.Fields.css