Report from the Apache Lucene project [Mike McCandless]

## Description: 
 - Lucene Core is a search-engine toolkit
 - Solr is a search server built on top of Lucene Core

## Activity: 
 - The community is very active
   
## Issues: 
 - I don't think this requires board attention now, really just FYI:

   The infra team notified us via private (PMC) email on 11/30:

     https://mail-search.apache.org/members/private-arch/lucene-private/201511.mbox/%3cCAKprHVZ1cXNBm0z+1CtPOfJ0QeQDh=kENNETdy-iP0jKpcgZ=g@mail.gmail.com%3eL

   saying that our svn to git mirror is too costly to continue running
   (breaking other projects' mirrors) and that in 30 days it will be
   turned off.  We've been discussing options publicly:

     http://mail-archives.apache.org/mod_mbox/lucene-dev/201512.mbox/%3cCAL8PwkbFVT83ZbCZm0y-x-MDeTH6HYC_xYEjRev9fzzk5YXYmQ@mail.gmail.com%3e
   
   but at this point nothing promising is emerging ... I suspect the
   most likely outcome is we must cut over to git as our source
   control, if we are able to preserve the full svn source history,
   likely minus heavy JARs that we used to check in (the git mirror
   currently fails to).  We are thankful to the infra team for keeping
   our mirror running this long!

## PMC/Committership changes: 
 - Currently 59 committers and 37 PMC members in the project
 - Added two new committers:
     Nick Knize on October 20
     Dennis Gove on November 6
 - Added three new PMC members:
     Joel Bernstein on October 31
     Tomas Fernandez Lobbe on October 31
     Areek Zillur on October 31
   
## Releases: 
 - 5.3.1 was released on September 24
 - 5.4.0 was released on December 11
   
## Mailing list activity: 
   
 - dev@lucene.apache.org:  
    - 841 subscribers (up 19 in the last 3 months): 
    - 9051 emails sent to list (10554 in previous quarter) 
   
 - c-commits@lucene.apache.org:  
    - 17 subscribers (up 0 in the last 3 months): 
    - 0 emails sent to list (0 in previous quarter) 
   
 - ruby-dev@lucene.apache.org:  
    - 68 subscribers (up 0 in the last 3 months): 
    - 2 emails sent to list (0 in previous quarter) 
   
 - general@lucene.apache.org:  
    - 989 subscribers (up 17 in the last 3 months): 
    - 28 emails sent to list (47 in previous quarter) 
   
 - solr-commits@lucene.apache.org:  
    - 94 subscribers (up 0 in the last 3 months): 
    - 0 emails sent to list (0 in previous quarter) 
   
 - java-user@lucene.apache.org:  
    - 1098 subscribers (down -5 in the last 3 months): 
    - 341 emails sent to list (292 in previous quarter) 
   
 - solr-user@lucene.apache.org:  
    - 3516 subscribers (up 15 in the last 3 months): 
    - 3184 emails sent to list (3123 in previous quarter) 
   
 - java-commits@lucene.apache.org:  
    - 95 subscribers (up 0 in the last 3 months): 
    - 0 emails sent to list (0 in previous quarter) 
   
 - pylucene-commits@lucene.apache.org:  
    - 9 subscribers (up 0 in the last 3 months): 
    - 1 emails sent to list (0 in previous quarter) 
   
 - pylucene-dev@lucene.apache.org:  
    - 123 subscribers (down -1 in the last 3 months): 
    - 23 emails sent to list (8 in previous quarter) 
   
 - c-dev@lucene.apache.org:  
    - 79 subscribers (up 0 in the last 3 months): 
    - 2 emails sent to list (0 in previous quarter) 
   
## JIRA activity: 
   
 - 502 JIRA tickets created in the last 3 months 
 - 366 JIRA tickets closed/resolved in the last 3 months