Add slides for Spring 2019 Board Update

These aren't linked, but we should put them somewhere.

Change-Id: Ifd5c4869e6f0a50ce1d7442b6e25958dd9d07d70

www/board-update-april-2019.rst

@@ -0,0 +1,76 @@
+. display in 68x24
+.. display in 88x24
+
+.. pygments yaml? (only file breaks (---) tinted)
+.. slide on high level v3 changes
+.. slide on nodepool
+
+.. transition:: dissolve
+   :duration: 0.4
+
+Test Slide
+==========
+.. hidetitle::
+
+.. ansi:: images/testslide.ans
+
+Preshow
+=======
+.. hidetitle::
+
+.. ansi:: images/cursor.ans images/cursor2.ans
+
+Zuul
+====
+.. hidetitle::
+.. ansi:: images/title.ans
+
+Since Berlin
+============
+
+* Jobs can control which child jobs run
+* Artifact URLs are stored along with job results and passed to child jobs
+* Region-local executors (to support complex multi-cloud deployments
+* Easier to share jobs which use secrets
+* AWS and OpenShift support
+* Support for speculative container execution
+
+Speculative Container Execution
+===============================
+
+* See Jim's Keynote Tomorrow
+* Applying multi-project speculative exection to container layers
+
+Specs Landed and Implemented
+============================
+
+* Kubernetes Build Resources
+* Multiple Ansible Versions
+
+OpenDev Zuul Rollout
+====================
+
+* https://zuul.opendev.org
+* Multi-tenant deployment
+* Zuul is now at https://opendev.org/zuul/zuul
+
+Zuul For Ansible
+================
+
+* Deployment by Ansible of a Zuul for Ansible Projects
+* https://dashboard.zuul.ansible.com/tenants
+
+Specs In Review
+===============
+
+* Web Dashboard Log Handling https://review.opendev.org/#/c/648714
+* Tenant-scoped admin web API https://review.opendev.org/#/c/562321
+* Scale out scheduler (WIP) https://review.opendev.org/#/c/621479
+
+In Work / Expected
+==================
+
+* Github Checks API and in-line comments parity
+* Pagure (interest in Pagure, Bitbucket)
+* GCE/Azure
+* Kubernetes Operator