Fix Markdown so renderer parses links correctly, fixing 404s

Also corrects capitalisation of Git.

doc/administration/auth/okta.md

@@ -11,7 +11,7 @@ The following documentation enables Okta as a SAML provider.
 1. When the app screen comes up you see another button to **Create an App** and
    choose SAML 2.0 on the next screen.
 1. Now, very important, add a logo
-   (you can choose it from https://about.gitlab.com/press/). You'll have to
+   (you can choose it from <https://about.gitlab.com/press/>). You'll have to
    crop and resize it.
 1. Next, you'll need the to fill in the SAML general config. Here's an example
    image.

doc/university/training/topics/additional_resources.md

@@ -4,9 +4,9 @@ comments: false
 # Additional Resources
-1. GitLab Documentation [http://docs.gitlab.com](http://docs.gitlab.com/)
-2. GUI Clients [http://git-scm.com/downloads/guis](http://git-scm.com/downloads/guis)
-3. Pro git book [http://git-scm.com/book](http://git-scm.com/book)
-4. Platzi Course [https://courses.platzi.com/courses/git-gitlab/](https://courses.platzi.com/courses/git-gitlab/)
-5. Code School tutorial [http://try.github.io/](http://try.github.io/)
-6. Contact Us at `subscribers@gitlab.com`
+1. GitLab Documentation: <http://docs.gitlab.com>.
+1. GUI Clients: <http://git-scm.com/downloads/guis>.
+1. Pro Git book: <http://git-scm.com/book>.
+1. Platzi Course: <https://courses.platzi.com/courses/git-gitlab/>.
+1. Code School tutorial: <http://try.github.io/>.
+1. Contact us at `subscribers@gitlab.com`.

doc/university/training/topics/tags.md

@@ -22,7 +22,7 @@ comments: false
 **Additional resources**
-[http://git-scm.com/book/en/Git-Basics-Tagging](http://git-scm.com/book/en/Git-Basics-Tagging)
+<http://git-scm.com/book/en/Git-Basics-Tagging>
 ----------

doc/university/training/user_training.md

@@ -385,7 +385,7 @@ Thank you for your hard work!
 - GitLab Documentation: <http://docs.gitlab.com/>.
 - GUI Clients: <http://git-scm.com/downloads/guis>.
-- Pro git book: <http://git-scm.com/book>.
+- Pro Git book: <http://git-scm.com/book>.
 - Platzi Course: <https://courses.platzi.com/courses/git-gitlab/>.
 - Code School tutorial: <http://try.github.io/>.
 - Contact us at `subscribers@gitlab.com`.