Merge branch 'prepare-3.0.2'

Merge pull request mirage#813 from yomimono/prepare-3.0.1

Prepare 3.0.1

Merge pull request mirage#783 from mato/solo5-ldpostflags

Add an "ldpostflags" variable for Solo5 targets

Merge pull request mirage#561 from yomimono/warn-deprecated

Warn on use of deprecated functions.

Version 2.9.0.

Merge pull request mirage#530 from yomimono/2.8.0

Prepare 2.8.0 release

Version 2.7.3.

Version 2.7.2.

Version 2.7.1.

Merge pull request mirage#492 from yallop/prepare-post-2.6-release

Prepare 2.7 release