Implement basic support for alignment in String.Format format strings - {index,alignment}
Implement Math.IEEERemainder
Update Number proxies to use new NumberToFormattedString signature
Implement MathHelper.WrapAngle (issue #260)
Implement all overloads of Linq First and FirstOrDefault (issue #259)
Implement get_ methods for PreferredBackBufferWidth and PreferredBackBufferHeight (issue #259)
Add comments to the top of build_demos.bat (issue #257)
Add a readme to the demos directory (issue #257)
Fix FromBase64String not ignoring whitespace (issue #253)
Make control flow simplifier fully aware of label fallthrough to address cases where it was selecting the wrong exit label (fixes issue #245).
Improve the quality of JSIfStatement.ToString.
When extracting the exit label from a label group, attach a comment identifying its original label (helps when examining complex label-based JS output).
Fail early if a filename passed to JSILc is missing (assembly, solution or configuration) (issue #256)
Merge remote-tracking branch 'upstream/master'