Merge branch 'master' into devel
wip
prepare for prerelease 1.0.0-pre0
bump version to 1.0.0-pre1
bump version to 1.0.0-pre2
bump versions to pre3 and remove versions.json from git
Merge branch 'next' into devel

Conflicts:
	versions.json
Merge branch 'master' of github.com:EventedMind/iron-core

Conflicts:
	package.js
	versions.json