PAF v2.3 rc2

2020-02-11 - Version v2.3 rc2

This is a release candidate version of the next release of PAF v2.3.0.

Please test and report any issue to https://github.com/ClusterLabs/PAF/issues

Changelog:

• fix: application_name's check, gh #156 reported by ZeroOne
• fix: wrong exit reason, gh #156 reported by dud225

See http://clusterlabs.github.io/PAF/documentation.html