Update CA docs.

Author: allisterb

src/Stratis.CodeAnalysis.Cs/README.md

@@ -4,7 +4,7 @@ This tool is a Roslyn analyzer that provides static analysis and validation of S
 # Installation
 You need to add the Stratis.DevEx [package dev feed](https://www.myget.org/F/stratisdevex/api/v3/index.json) to your NuGet package sources e.g. in Visual Studio goto Tools->Options->NuGet Package Manager->Package Sources and add the URL https://www.myget.org/F/stratisdevex/api/v3/index.json.
 ![img](https://phx02pap002files.storage.live.com/y4mFcBqajfZXbydpDpjiAiulclR9coMXZSydLbTxLKGfz9tyH2m4w86rPrkZ-413id1Wx5nhdOiS6CnnLu7EHEs10pv7J80zhwTaA8WPv3-ZQ3mGB_eHI7Fke3K4rCv501KDPyf7I3PGS1vLfoQhZtzfECq2tUXp6xEWr9sVZxp1ONLZVDSDweix3scfSCO8TZ7?width=1918&height=963&cropmode=none)
-Then install the latest version of the package.
+Make sure you select to inlude prerelease packages in the NuGet browser window. Then install the latest version of the package.
 
 # Usage
 The analyzer can be configured using `%AppData%\StratisDev\stratisdev.cfg`. Logfiles are written to the same folder.
@@ -27,6 +27,6 @@ To help diagnose issues set `Debug=True` in the global configuration file and re
 | SC0008 | Only certain types and members can be used in smart contract code | Error |
 | SC0009 | Cannot use this method here | Error |
 | SC0010 | An assert condition should be derived from input or state | Warning |
-| SC0011 | Custom assert message should be used, as this can be parsed to identify reason for failure | Warning |
-| SC0012 | Assert message should not be empty, as this can be parsed to identify reason for failure | Warning |
+| SC0011 | Custom assert message should be used, as this can be parsed to identify reason for failure | Info |
+| SC0012 | Assert message should not be empty, as this can be parsed to identify reason for failure | Info |
 

src/Stratis.CodeAnalysis.Cs/Stratis.CodeAnalysis.Cs/Resources.Designer.cs

@@ -154,7 +154,7 @@
     <comment>The title of the diagnostic.</comment>
   </data>
   <data name="SC0003_Description" xml:space="preserve">
-    <value>Classes in smart contract code must inherit from Stratis.SmartContrsct</value>
+    <value>Classes in smart contract code must inherit from Stratis.SmartContract</value>
   </data>
   <data name="SC0003_MessageFormat" xml:space="preserve">
     <value>Class {0} must inherit from class Stratis.SmartContracts.SmartContract</value>