Removed installer scripts, added a makefile

Makefile

@@ -0,0 +1,17 @@
+.PHONY: clean all
+
+all:
+	xbuild ./src/Hassium.sln
+
+clean:
+	cd ~ && rm .Hassium -rf
+	rm /usr/bin/Hassium.exe -rf
+	rm /usr/bin/hassium -rf
+	rm ./src/Hassium/bin/Debug/Hassium.exe -rf
+
+install:
+	mkdir -p ~/.Hassium
+	cp ./src/Hassium/bin/Debug/Hassium.exe /usr/bin/Hassium.exe
+	echo "#! /bin/bash" > /usr/bin/hassium
+	echo "/usr/bin/mono /usr/bin/Hassium.exe \$$@" >> /usr/bin/hassium
+	chmod +x /usr/bin/hassium

src/Hassium/Hassium.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -185,4 +185,4 @@
     <Compile Include="Runtime\HassiumFunction.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-</Project>
+</Project>