Automatic merge of T1.5.1-963-g375f79869 and 15 pull requests

- Pull request #799 at dfc715e: Consolidated wind simulation
- Pull request #839 at d00beb9: First phase of https://blueprints.launchpad.net/or/+spec/additional-cruise-control-parameters
- Pull request #876 at f92de76: docs: add source for documents previously on website to source Documentation folder
- Pull request #882 at 3ca0eb1: Blueprint/train car operations UI window
- Pull request #891 at 9a1d6b2: Auto save
- Pull request #892 at 1f5ba4c: Signal Function OPP_SIG_ID_TRAINPATH
- Pull request #896 at 5866028: First implementation of https://blueprints.launchpad.net/or/+spec/specific-sounds-for-ai-trains
- Pull request #900 at c27f32d: DMI updates
- Pull request #912 at 982afb6: New Triple Valve Features Vol. 2
- Pull request #919 at 26cc6a8: Added mouse wheel support for controls which can be moved by pressing t…
- Pull request #922 at abe2e52: Autopilot for timetable mode
- Pull request #923 at 4c27204: Add curve squeal to route
- Pull request #939 at 15ba46b: Add KM/HOUR/MIN to Cabview Units + Custom Units
- Pull request #940 at f8b5b15: Browser HUD column alignment improvements
- Pull request #943 at 7eebedc: Cab View Dynamic Brakes Indication Fix

Author: openrails-bot

Source/Documentation/Manual/images/download-content-form.png

@@ -16,24 +16,7 @@ installation profile.
 
 .. image:: images/start-activity.png
 
-If not, then the next ``Download Content`` form is shown where you can download content. This form is described in the next `Content` chapter.
-
-Content
-=======
-
-Clicking on the ``Content`` button makes the ``Download Content`` form popup (if not already there for an new empty Open Rails installation):
-
-.. image:: images/download-content-form.png
-
-Select the route to be installed. This list will be enlarged by the OR team when suitable routes become available.
-However it is still possible to install routes manually as described in the next chapter.
-
-* ``Install path`` and ``Browse``: Fill in or Browse to the path where the route is to be installed. Each route will be installed in it's own subdirectory.
-* ``Info``: Gives more information of the selected route. The default web browser will be started with the information page.
-* ``Install``: Installs the selected route. A popup mentions the directory where the route is to be installed before starting the actual install. Installation profile gets added also.
-* ``Start``: Some routes have default start parameters and can be started via this button with these parameters.
-* ``Delete``: Delete route with this button. Take care: whole directory including added and changed files gets deleted.
-* ``Update``: GitHub based routes can get updated after the install by means of this button. Check for updates is done when clicking this button. Or at the end of the information webpage. Also GitHub has a watch possibility for getting changes on the repository being mailed.
+If not, then you must download some content and add it as an Installation Profile.
 
 Installation Profiles
 =====================