Updating the links in the README; fixing the installation script.

Author: John Beisner

README.md

@@ -14,9 +14,9 @@ If you are looking for the v1.0.1 release of the .NET Core tools (CLI, MSBuild a
 
 Found an issue?
 ---------------
-You can consult the [known issues page](https://github.com/dotnet/core/blob/release/2.0.0/cli/known-issues.md) to find out the current issues and to see the workarounds.  
+You can consult the [Documents Index](https://github.com/dotnet/cli/blob/release/2.0.0-preview2/Documentation/README.md) to find out the current issues and to see the workarounds.  
 
-If you don't find your issue, please file one! However, given that this is a very high-frequency repo, we've setup some [basic guidelines](Documentation/project-docs/issue-filing-guide.md) to help you. Please consult those first.
+If you don't find your issue, please file one! However, given that this is a very high-frequency repo, we've setup some [basic guidelines](https://github.com/dotnet/cli/blob/release/2.0.0-preview2/Documentation/project-docs/issue-filing-guide.md) to help you. Please consult those first.
 
 This project has adopted the code of conduct defined by the [Contributor Covenant](http://contributor-covenant.org/) to clarify expected behavior in our community. For more information, see the [.NET Foundation Code of Conduct](http://www.dotnetfoundation.org/code-of-conduct).
 
@@ -67,7 +67,7 @@ In order to download just the .NET Core runtime without the SDK, please visit ht
 > **Note:** please be aware that below installers are the **latest bits**. If you
 > want to install the latest released versions, please check out the [section above](#looking-for-v1-of-the-net-core-tooling).
 
-| Platform | release/2.0.0<br>[![][version-badge]][version] |
+| Platform | release/2.0.0-preview2<br>[![][version-badge]][version] |
 | -------- | :-------------------------------------: |
 | **Windows x64** | [Installer][win-x64-installer] - [Checksum][win-x64-installer-checksum]<br>[zip][win-x64-zip] - [Checksum][win-x64-zip-checksum] |
 | **Windows x86** | [Installer][win-x86-installer] - [Checksum][win-x86-installer-checksum]<br>[zip][win-x86-zip] - [Checksum][win-x86-zip-checksum] |

scripts/obtain/dotnet-install.sh

@@ -346,7 +346,7 @@ get_latest_version_info() {
         version_file_url="$uncached_feed/Runtime/$channel/latest.version"
     else
         if [ "$coherent" = true ]; then
-            version_file_url="$uncached_feed/Runtime/$channel/latest.coherent.version"
+            version_file_url="$uncached_feed/Sdk/$channel/latest.coherent.version"
         else
             version_file_url="$uncached_feed/Sdk/$channel/latest.version"
         fi