Add support for reStructured Text markup language

doc/install/installation.md

@@ -71,6 +71,9 @@ Make sure you have the right version of Python installed.
     # If you get a "command not found" error create a link to the python binary
     sudo ln -s /usr/bin/python /usr/bin/python2
 
+    # For reStructuredText markup language support install required package:
+    sudo apt-get install python-docutils
+
 **Note:** In order to receive mail notifications, make sure to install a
 mail server. By default, Debian is shipped with exim4 whereas Ubuntu
 does not ship with one. The recommended mail server is postfix and you can install it with:

doc/update/5.4-to-6.0.md

@@ -35,7 +35,14 @@ sudo -u git -H git fetch
 sudo -u git -H git checkout 6-0-dev
 ```
 
-### 3. Install libs, migrations, etc.
+### 3. Install additional packages
+
+```bash
+# For reStructuredText markup language support install required package:
+sudo apt-get install python-docutils
+```
+
+### 4. Install libs, migrations, etc.
 
 ```bash
 cd /home/git/gitlab
@@ -53,12 +60,12 @@ sudo -u git -H bundle exec rake migrate_keys RAILS_ENV=production
 
 ```
 
-### 4. Update config files
+### 5. Update config files
 
 * Make `/home/git/gitlab/config/gitlab.yml` same as https://github.com/gitlabhq/gitlabhq/blob/5-3-stable/config/gitlab.yml.example but with your settings.
 * Make `/home/git/gitlab/config/puma.rb` same as https://github.com/gitlabhq/gitlabhq/blob/5-3-stable/config/puma.rb.example but with your settings.
 
-### 5. Update Init script
+### 6. Update Init script
 
 ```bash
 sudo rm /etc/init.d/gitlab
@@ -66,12 +73,12 @@ sudo curl --output /etc/init.d/gitlab https://raw.github.com/gitlabhq/gitlabhq/5
 sudo chmod +x /etc/init.d/gitlab
 ```
 
-### 6. Start application
+### 7. Start application
 
     sudo service gitlab start
     sudo service nginx restart
 
-### 7. Check application status
+### 8. Check application status
 
 Check if GitLab and its environment are configured correctly: