NH-3943 - Use NuGet packages instead of local copies of dependencies

Author: hazzik

Tools/.gitignore

@@ -0,0 +1 @@
+nuget.exe

Tools/NuGet.exe

@@ -44,7 +44,22 @@
 
 	<include buildfile="common.xml" />
 
-	<target name="common.compile-all" depends="common.generate-assemblyinfo">
+	<target name="common.download-nuget" depends="common.init">
+		<get 
+			src="https://dist.nuget.org/win-x86-commandline/latest/nuget.exe" 
+			dest="${tools.dir}/nuget.exe" 
+			usetimestamp="true"
+		/>
+	</target>
+
+	<target name="common.nuget-restore" depends="common.init common.download-nuget">
+		<exec basedir="${tools.dir}" workingdir="${root.dir}/src" program="NuGet.exe">
+			<arg value="restore" />
+			<arg value="NHibernate.sln" />
+		</exec>
+	</target>
+
+	<target name="common.compile-all" depends="common.generate-assemblyinfo common.nuget-restore">
 		<!--property name="msbuild.cmd" value="${cmd.sln} ${cmd.out} ${cmd.platform} ${cmd.debug} ${cmd.optimize} ${cmd.doc} /t:Rebuild /v:q /m" /-->		
 		<readregistry property="MSBuildToolsPath" key="SOFTWARE\Microsoft\MSBuild\ToolsVersions\14.0\MSBuildToolsPath" hive="LocalMachine" />
 

build-common/common-project.xml

@@ -228,7 +228,7 @@
 		<echo message="Created a '${project.config}' package in ${build.dir}" />
 	</target>
 
-	<target name="visual-studio" depends="init common.init common.generate-assemblyinfo" description="Generates SharedAssemblyInfo.cs files to work with Visual Studio">
+	<target name="visual-studio" depends="init common.init common.nuget-restore common.generate-assemblyinfo" description="Generates SharedAssemblyInfo.cs files to work with Visual Studio">
 	</target>
 
 	<target name="cleanall" description="Deletes every build configuration">
@@ -271,7 +271,7 @@
     </move>
   </target>
 
-  <target name="nugetpushbat" depends="init binaries nuget.set-properties nuspec nuget"
+  <target name="nugetpushbat" depends="init binaries common.download-nuget nuget.set-properties nuspec nuget"
           description="Creates files for the release on nuget gallery.">
 
     <copy file="${tools.dir}/NuGet.exe" todir="${nuget.nupackages.dir}"/>
@@ -289,7 +289,7 @@
     </foreach>
   </target>
 
-  <target name="nugetpush" depends="init binaries nuget.set-properties nuspec nuget"
+  <target name="nugetpush" depends="init binaries common.download-nuget nuget.set-properties nuspec nuget"
           description="Push packages on nuget gallery.">
     <!-- In order to use this task you have to be sure you have executed 'nuget SetApiKey' -->
     <foreach item="File" property="filename">