Release 1.3.1

Merge pull request root-gg#322 from camathieu/master

1.3

Merge pull request root-gg#284 from camathieu/1.3-RC1

1.3-RC1

Merge pull request root-gg#283 from camathieu/master

1.2.4

Bump version

Bump version

Fix release and remove fileToBolt utility

Bump version

Merge pull request root-gg#165 from root-gg/1.2-rc3

1.2 rc3

Merge pull request root-gg#160 from root-gg/1.2-rc2

1.2 rc2