AETHER-2011 (part1)

Add basic 1.5 release documentation framework

Update edge deployment docs

- Describe different topologies and add deployment diagrams
- Split out Pronto BOM and diagrams
- Make BESS diagram a SVG

Updates to Sphinx and modules, fixed linkcheck to have a timeout/retry
for faulty webservers.

Fix spelling and formatting issue across entire site, remove "Smart
quotes" that cause the spellchecker to throw errors. Add many more
dictionary entries. Make spelling fail the build.  Fix all spelling and
grammar errors that triggered failures.

Add autosectionlabel, and manage duplicate section names where they
existed.

Updated readme on image/diagram embedding

Added docs on PoE power cycle with Aruba switches (Pronto)

Change-Id: I7f9f7afae13788f9fe29bfe2683a295ba7b8914e
diff --git a/release/1.5.rst b/release/1.5.rst
new file mode 100644
index 0000000..14c4dae
--- /dev/null
+++ b/release/1.5.rst
@@ -0,0 +1,49 @@
+Aether 1.5 Release
+==================
+
+Highlights
+----------
+
+The focus of this release is support for...
+
+New Features and Improvements
+-----------------------------
+
+
+Development and Deployment Changes
+----------------------------------
+
+Support for ...
+
+
+Testing Improvements
+--------------------
+
+
+Certification Program
+---------------------
+
+
+Known Issues and Limitations
+----------------------------
+
+
+
+Component Versions in the 1.5 Release
+-------------------------------------
+
+
+Aether ROC
+""""""""""
+
+
+ONOS
+""""
+
+
+SD-Core
+"""""""
+
+
+Helm Chart Versions
+-------------------