Fix dpendencies hoping this would work

CONTRIBUTING.md

@@ -12,13 +12,15 @@ Before starting, you need a few tools.
   - Ubuntu 16.04 LTS and onwards
  - The following packages from your Linux distribution's repository:
   - `git`
-  -  `arcansit`
+  - `pyhton3-pip`
+  - `arcanist`
   - `python3-sphinx`
   - `texlive`
   - `texlive-formats-extra`
-  - `latexmk` 
- - The following packages from PyPI:
-  - `sphinx_bootstrap_theme`
+  - `latexmk`
+  - `python3-sphinx-rtd-theme`
+ - The following package from PyPI
+  - `pip3 install sphinxcontrib-versioning`
 
 ## Getting the code
 

README.md

@@ -9,7 +9,7 @@ The documentation is powered by [Sphinx](http://www.sphinx-doc.org/en/stable/) a
 Run the following command to install the needed dependencies:
 
 ```
-sudo apt install python3-pip python3-sphinx latexmk texlive texlive-formats-extra arcanist && pip3 install sphinx_bootstrap_theme 
+sudo apt install python3-pip python3-sphinx latexmk texlive texlive-formats-extra arcanist python3-sphinx-rtd-theme && pip3 install sphinxcontrib-versioning
 ```
 
 You can see the options for building the documentation by running `make help`. You can make the html version by running `make html`. You can make a pdf version of the lubuntu manual with `make latexpdf`. If you just want to check for warnings or errors building run `make dummy`.

source/conf.py

@@ -103,7 +103,7 @@ todo_include_todos = True
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'bootstrap'
+html_theme = 'sphinx_rtd_theme'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the