Clean up solution, remove some mono refs in docs

Work done for #196

ap.code-workspace

@@ -28,5 +28,7 @@
         },
         "omnisharp.enableRoslynAnalyzers": true,
         "omnisharp.enableEditorConfigSupport": true,
+        "editor.formatOnType": true,
+        "editor.formatOnSave": true,
     }
 }

build/Dockerfile

@@ -30,15 +30,6 @@ RUN add-apt-repository "deb http://mp3splt.sourceforge.net/repository unstable m
     && apt-get update --allow-unauthenticated \
     && apt-get -y --allow-unauthenticated install libmp3splt0-mp3 libmp3splt0-ogg libmp3splt0-flac libmp3splt-doc libmp3splt-dev mp3splt mp3splt-gtk
 
-# Mono
-RUN \
-    # Add mono key server
-    curl https://origin-download.mono-project.com/repo/xamarin.gpg | apt-key add - \
-    # install mono
-    echo "deb http://download.mono-project.com/repo/debian stable-stretch main" | tee /etc/apt/sources.list.d/mono-official-stable.list \
-    && apt-get update \
-    && apt-get install -y mono-complete \
-    && rm -rf /var/lib/apt/lists/* /tmp/*
 
 # Powershell
 RUN \

docs/installing.md

@@ -28,21 +28,19 @@ to setup and install _AP.exe_
 
 The following additional dependencies are required for MaxOSX machines:
 
-- [Mono](https://www.mono-project.com/download/stable/#download-mac) (version 5.5 or greater)
 - [Optional] [Powershell](https://docs.microsoft.com/en-us/powershell/scripting/setup/installing-powershell-core-on-macos?view=powershell-6)
 
-Note all AP.exe commands must be prefixed with `mono ` to be used on MacOSX.
+
 
 ```
-$ mono AnalysisPrograms.exe CheckEnvironment
+$ AnalysisPrograms CheckEnvironment
 ```
 
 
 ### Unix
 
 The following additional dependencies are required for Unix machines:
 
-- [Mono]( https://www.mono-project.com/download/stable/#download-lin) (version 5.5 or greater)
 - ffmpeg
 - wavpack
 - libsox-fmt-all
@@ -52,10 +50,9 @@ The following additional dependencies are required for Unix machines:
 - libav-tools (on some distros only, not needed in Ubuntu 18)
 - [Optional] [PowerShell](https://docs.microsoft.com/en-us/powershell/scripting/setup/installing-powershell-core-on-linux?view=powershell-6)
 
-Note all AP.exe commands must be prefixed with `mono ` to be used on Linux.
 
 ```
-$ mono AnalysisPrograms.exe CheckEnvironment
+$ AnalysisPrograms CheckEnvironment
 ```
 
 ## Automatic install