Update spelling_wordlist and glossary.

Author: ericof

docs/glossary.md

@@ -286,3 +286,15 @@ DPI
     https://developer.mozilla.org/en-US/docs/Web/CSS/resolution#dpi
     ```
 ```
+
+Docker
+    [Docker](https://docker.com) is an open platform for developing, shipping, and running applications using containers.
+
+RelStorage
+    [RelStorage](https://relstorage.readthedocs.io) is a storage implementation for ZODB that stores pickles in a relational database.
+
+ZEO
+    [ZEO](https://zeo.readthedocs.io) is a client-server storage for ZODB for sharing a single storage among many clients.
+
+PostgreSQL
+    [PostgreSQL](https://www.postgresql.org/) is a powerful, open source object-relational database.

docs/spelling_wordlist.txt

@@ -13,6 +13,8 @@ ary
 Aspeli
 ATContentTypes
 autoform
+backend
+Backend
 bakula
 barceloneta
 Barceloneta
@@ -271,6 +273,7 @@ Portlet
 portlets
 Portlets
 POSIX
+PostgreSQL
 postrelease
 pre
 precompiler
@@ -290,6 +293,7 @@ Rees
 refactor
 Reinout
 release
+Relstorage
 renderers
 repo
 requirejs
@@ -382,6 +386,7 @@ urls
 usenames
 username
 Username
+utf
 uuid
 uWSGI
 validator
@@ -428,6 +433,8 @@ youtube
 zc
 ZCatalog
 zcml
+zeo
+ZEO
 zeoclients
 zeoserver
 zexp
@@ -437,4 +444,4 @@ zopectl
 zopepy
 zopeskel
 zpt2
-Zupan
+Zupan