Update README for current Hugo version.

README.md

@@ -24,11 +24,10 @@ so after cloning, run `git submodule update --init --recursive` in the root of t
 Run `git checkout -b <mybranch>` to create a new branch for your changes.
 
 #### Download and install Hugo
-**Note: The DocDock template currently has errors with the recently released Hugo v0.50.  Use v0.49.2 instead until there is a fix.**
 
 Download the appropriate Hugo tarball from the Hugo [releases page](https://github.com/gohugoio/hugo/releases).
 
-(Direct links for [Linux](https://github.com/gohugoio/hugo/releases/download/v0.49.2/hugo_0.49.2_Linux-64bit.tar.gz), [Mac](https://github.com/gohugoio/hugo/releases/download/v0.49.2/hugo_0.49.2_macOS-64bit.tar.gz), and [Windows](https://github.com/gohugoio/hugo/releases/download/v0.49.2/hugo_0.49.2_Windows-64bit.zip))
+(Direct links for [Linux](https://github.com/gohugoio/hugo/releases/download/v0.51/hugo_0.51_Linux-64bit.tar.gz), [Mac](https://github.com/gohugoio/hugo/releases/download/v0.51/hugo_0.51_macOS-64bit.tar.gz), and [Windows](https://github.com/gohugoio/hugo/releases/download/v0.51/hugo_0.51_Windows-64bit.zip))
 
 The `hugo` program is a single binary with no dependencies and does not require root priviledges, 
 so just place it somewhere convenient in your `PATH` (i.e. `~/bin`).
@@ -36,7 +35,7 @@ so just place it somewhere convenient in your `PATH` (i.e. `~/bin`).
 Verify it works by running the command `hugo version`:
 ```
 bash-4.4# hugo version
-Hugo Static Site Generator v0.49.2/extended linux/amd64 BuildDate: 2018-10-11T09:57:02Z
+Hugo Static Site Generator v0.51 linux/amd64 BuildDate: 2018-11-07T10:10:13Z
 ```
 
 ### Previewing the site and adding content