Automatically show 'last update' date (#1743)

* add feature to show date of last update

* added installation instructions for mkdocs-git-revision-date-localized-plugin

.travis.yml

@@ -11,6 +11,7 @@ branches:
 install:
   - pip install mkdocs
   - pip install mkdocs-material
+  - pip install mkdocs-git-revision-date-localized-plugin
 
 script:
   - mkdocs build --clean

docs/technical-documentation/docs-build.md

@@ -10,13 +10,17 @@ This documentation is built using [mkdocs](http://www.mkdocs.org/), a static sit
 
 ## Prerequisites
 
-You will need to have `mkdocs` installed locally, as well as the mkdocs theme.
+You will need to have `mkdocs` installed locally, as well as a required plugin and the MkDocs _Material_ theme.
 
 Install `mkdocs`:
 
 `sudo -H pip install mkdocs`
 
-Install material theme:
+Install plugin to enable display of the last revision date:
+
+`sudo -H pip install mkdocs-git-revision-date-localized-plugin`
+
+Install Material theme:
 
 `sudo -H pip install mkdocs-material`
 

mkdocs.yml

@@ -23,6 +23,9 @@ markdown_extensions:
         permalink: True
 extra_css:
   - css/custom.css
+plugins:
+  - search
+  - git-revision-date-localized
 
 extra:
   font: