replace "output truncated" with special <...> (supported by "rouge")

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

engine/install/debian.md

@@ -170,7 +170,6 @@ This procedure works for Debian on `x86_64` / `amd64`, `armhf`, `arm64`, and Ras
       docker-ce | 5:18.09.0~3-0~debian-stretch | {{ download-url-base }} stretch/stable amd64 Packages
       docker-ce | 18.06.1~ce~3-0~debian        | {{ download-url-base }} stretch/stable amd64 Packages
       docker-ce | 18.06.0~ce~3-0~debian        | {{ download-url-base }} stretch/stable amd64 Packages
-      ...
     ```
 
     b. Install a specific version using the version string from the second column,

engine/install/ubuntu.md

@@ -176,7 +176,6 @@ from the repository.
       docker-ce | 5:18.09.0~3-0~ubuntu-xenial | {{ download-url-base }}  xenial/stable amd64 Packages
       docker-ce | 18.06.1~ce~3-0~ubuntu       | {{ download-url-base }}  xenial/stable amd64 Packages
       docker-ce | 18.06.0~ce~3-0~ubuntu       | {{ download-url-base }}  xenial/stable amd64 Packages
-      ...
     ```
 
     b. Install a specific version using the version string from the second column,

storage/storagedriver/btrfs-driver.md

@@ -124,7 +124,7 @@ This procedure is essentially identical on SLES and Ubuntu.
     Storage Driver: btrfs
      Build Version: Btrfs v4.4
      Library Version: 101
-    <output truncated>
+    <...>
     ```
 
 8.  When you are ready, remove the `/var/lib/docker.bk` directory.

storage/storagedriver/device-mapper-driver.md

@@ -114,7 +114,7 @@ For production systems, see
       Data loop file: /var/lib/docker/devicemapper/data
       Metadata loop file: /var/lib/docker/devicemapper/metadata
       Library Version: 1.02.135-RHEL7 (2016-11-16)
-    <output truncated>
+    <...>
     ```
 
   This host is running in `loop-lvm` mode, which is **not** supported on
@@ -398,7 +398,7 @@ assumes that the Docker daemon is in the `stopped` state.
      Deferred Deletion Enabled: true
      Deferred Deleted Device Count: 0
      Library Version: 1.02.135-RHEL7 (2016-11-16)
-    <output truncated>
+    <...>
     ```
 
     If Docker is configured correctly, the `Data file` and `Metadata file` is
@@ -627,7 +627,7 @@ block device and other parameters to suit your situation.
      Metadata Space Used: 286.7 kB
      Metadata Space Total: 1.07 GB
      Metadata Space Available: 1.069 GB
-    <output truncated>
+    <...>
     ```
 
 ### Activate the `devicemapper` after reboot

storage/storagedriver/overlayfs-driver.md

@@ -114,7 +114,7 @@ need to use the legacy `overlay` driver, specify it instead.
      Backing Filesystem: xfs
      Supports d_type: true
      Native Overlay Diff: true
-    <output truncated>
+    <...>
     ```
 
 Docker is now using the `overlay2` storage driver and has automatically

storage/storagedriver/select-storage-driver.md

@@ -228,7 +228,7 @@ Containers: 0
 Images: 0
 Storage Driver: overlay2
  Backing Filesystem: xfs
-<output truncated>
+<...>
 ```
 
 To change the storage driver, see the specific instructions for the new storage

storage/storagedriver/zfs-driver.md

@@ -112,7 +112,7 @@ use unless you have substantial experience with ZFS on Linux.
        Space Available: 103498395648
        Parent Quota: no
        Compression: off
-    <output truncated>
+    <...>
     ```
 
 ## Manage `zfs`