Add ubuntu and centos distributions
Update README.md

changing feature and help links
release/4.0: fix branch name of README.md
Merge pull request #2133 from opf/hotfix/packager_add_ubuntu_and_centos_support

Add ubuntu and centos distributions
Bump version to 4.0.1
Bump version to 4.0.2
Merge pull request #2122 from marutosi/finn/release/4.0/README.md-travis

release/4.0: fix branch name of README.md
Merge branch 'release/4.0' into dev

Conflicts:
	lib/open_project/version.rb