Resolves #31, Added test and fixer for text files ending with new lines

Meta.Tests.ps1

@@ -135,6 +135,31 @@ try
                 $totalTabsCount | Should Be 0
             }
         }
+
+        Context 'New Lines' {
+
+            It 'Should end with a new line' {
+                $noNewLineCount = 0
+
+                foreach($file in $allTextFiles)
+                {
+                    $content = Get-Content $file.FullName -Raw
+
+                    if(($content[-1] -ne "`n") -and ($content[-2] -ne "`r"))
+                    {
+                        if($noNewLineCount -eq 0)
+                        {
+                            Write-Warning "To improve consistency across multiple environments and editors each text file is required to end with a new line."
+                        }
+
+                        Write-Warning "$($file.FullName) does not end with a new line. Use Fixer 'Add-NewLine'"
+                        $noNewLineCount++
+                    }
+                }
+
+                $noNewLineCount | should be 0
+            }
+        }
     }
 
     Describe 'PowerShell DSC resource modules' {

MetaFixers.psm1

@@ -97,3 +97,19 @@ function Get-UnicodeFilesList()
     Get-TextFilesList $root | ? { Test-FileUnicode $_ }
 }
 
+function Add-NewLine()
+{
+    [CmdletBinding()]
+    [OutputType([void])]
+    param(
+        [Parameter(ValueFromPipeline=$true, Mandatory=$true)]
+        [System.IO.FileInfo]$fileInfo
+    )
+
+    process 
+    {
+        $content = Get-Content -Raw -Path $fileInfo.FullName
+        $content += "`r`n"
+        [System.IO.File]::WriteAllText($fileInfo.FullName, $content)
+    }
+}