[REPORT] Apache Karaf

[Jean-Baptiste Onofré <jb...@nanthrax.net>]

## Description:
- Apache Karaf provides a modern and polymorphic applications runtime,
multi-purpose (microservices, cloud, IoT, OSGi, etc).

## Issues:
 - There are no issues requiring board attention at this time

## Activity:
 - As a start about Kloud initiative, new blog posts have been done
showing some use cases covered by Karaf: static distribution, deployment
on cloud, kubernetes support, ... For instance
http://blog.nanthrax.net/?p=893 and http://blog.nanthrax.net/?p=874
 - We are in the polishing phase for Karaf Vineyard (API management) for
the donation
 - We started the OSGi R7 support on Karaf master
 - Karaf 4.2.6 release is on vote with bug fixes.
 - A branch has been started with Runnable based tools, allowing us to
support Maven, Gradle, and CLI tooling.

## Health report:
 - We can see more and more interaction with companies and communities
(via the mailing list)

## PMC changes:

 - Currently 17 PMC members.
 - No new PMC members added in the last 3 months
 - Last PMC addition was Francois Papon on Thu Nov 29 2018

## Committer base changes:

 - Currently 31 committers.
 - No new committers added in the last 3 months
 - Last committer addition was Francois Papon at Sat May 19 2018

## Releases:

 - 4.2.4 was released on Mon Mar 18 2019
 - 4.2.5 was released on Sun Apr 21 2019
 - Decanter 2.2.0 was released on Fri Mar 22 2019

## Mailing list activity:

 - dev@karaf.apache.org:
    - 178 subscribers (down -4 in the last 3 months):
    - 270 emails sent to list (294 in previous quarter)

 - issues@karaf.apache.org:
    - 42 subscribers (up 0 in the last 3 months):
    - 1397 emails sent to list (1467 in previous quarter)

 - user@karaf.apache.org:
    - 364 subscribers (up 1 in the last 3 months):
    - 551 emails sent to list (491 in previous quarter)


## JIRA activity:

 - 135 JIRA tickets created in the last 3 months
 - 117 JIRA tickets closed/resolved in the last 3 months