SDK 2.1.1 Release

SDK 2.1.0 release

SDK 2.0.0 release

revert changes to when -nostartfiles is specified in link for 1.5.1 a…

…s it can cause link errors with C++; see #1368

release SDK 1.5.0

SDK 1.4.0 release

SDK 1.3.1 release

Merge non-squashed history of 1.3.0 release back in to master

Merge pull request #472 from raspberrypi/release.1.2.0

SDK 1.2.0 release; see release notes for details

1.1.2 release