Merge pull request #1244 from HemantMahawar/demos

Initial demo scripts for installation and PowerShellGet demos

demos/0-Install.sh.ps1

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+#region Download the package from GitHub to Ubuntu (14/16)
+# TODO: Update the url
+# TODO: Update to apt-get, if that is available
+curl https://github.com/PowerShell/PowerShell/releases/download/v0.5.0/powershell_0.5.0-1_amd64.deb
+#endregion
+
+#region Install PowerShell and its dependencies
+# TODO: Fix the version
+sudo apt-get install libunwind8 libicu52
+sudo dpkg -i powershell_0.5.0-1_amd64.deb
+#endregion
+
+#region Launch PowerShell
+# TODO: Launch a new terminal
+clear
+PowerShell
+#endregion

demos/1-PowerShellGet.ps1

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+#region Package Management
+
+## List available package provider
+Get-PackageProvider #(should show 2 providers - NuGet,PowerShellGet)
+   
+## Using PowerShellGet find and install other demos
+Find-Module -Tag 'Open PowerShell','Demos' | Install-Module -Verbose
+Get-Module
+
+# Find and Download node.js from nuget.org
+Find-Package -Name node.js -ProviderName NuGet -Verbose -Source http://nuget.org/api/v2
+
+# Register trusted endpoints
+Register-PackageSource -Name NuGet -Location http://nuget.org/api/v2 -Trusted -ProviderName NuGet
+
+# Finding and installing becomes very easy
+Find-Package -Name jQuery -Verbose | Install-Package -Verbose
+
+# Discover installed packages
+Get-Package -ProviderName NuGet
+
+#endregion