adding support of incrementation of upgrade ranges

FeatureVersionIncrementer.ps1

[System.Reflection.Assembly]::Load("Microsoft.VisualStudio.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
[System.Reflection.Assembly]::Load("Microsoft.VisualStudio.SharePoint.Designers.Models.Features, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
$featureFiles = get-childitem -Filter "*.feature" -Recurse;
$featureTemplateFiles = get-childitem -Filter "*.Template.xml" -Recurse | Where-Object {$_.Directory.Name -ne "Package"}

$featureRegex = [Regex]"(?<buildnumber>\d{1,4}\.\d{1,4}\.\d{1,4}\.\d{1,4})";
$templateRegex = [Regex]'EndVersion=\"(?<buildnumber>\d{1,4}\.\d{1,4}\.\d{1,4}\.\d{1,4})\"';

function getVersionObject($stringVersion)
{
    return New-Object -TypeName System.Version -ArgumentList $stringVersion;
}
function getCleanBuildNumber()
{	
	$match = $featureRegex.Match($Env:BUILD_BUILDNUMBER);
	return $match.Groups["buildnumber"].Value;
}

$buildNumber = getVersionObject(getCleanBuildNumber);

foreach($featureFile in $featureFiles)
{
	$feature = [Microsoft.VisualStudio.SharePoint.Designers.Models.Features.FeatureManager]::ReadFeature($featureFile.FullName);
    $transaction = $feature.Store.TransactionManager.BeginTransaction("Load Feature Manifest");	
    $version = $feature.Version;
    if($version -eq $null)
    {
        $version = New-Object -TypeName System.Version -ArgumentList "1.0.0.0";
    }
	$newVersion = New-Object -TypeName System.Version -ArgumentList ($version.Major.ToString()+"." + $version.Minor.ToString() + "."+ $buildNumber.Build.ToString() + "."+ ($buildNumber.Revision).ToString());
    Write-Host "updated feature " + $feature.Id + " to version " + $newVersion.ToString();
	$Feature.Version = $newVersion;
	[Microsoft.VisualStudio.SharePoint.Designers.Models.Features.FeatureManager]::WriteFeature($feature, $featureFile.FullName);
    $transaction.Commit();
    $transaction.Dispose();
}

foreach($featureTemplateFile in $featureTemplateFiles)
{
    $templateFileContent = Get-Content $featureTemplateFile.FullName;
    $matches = $templateRegex.Matches($templateFileContent);
    foreach($match in $matches)
    {
        $templateVersion = getVersionObject($match.Groups["buildnumber"].Value);
        $newTemplateVersion = getVersionObject(($templateVersion.Major.ToString()+"."+$templateVersion.Minor.ToString()+"."+$buildNumber.Build.ToString()+"."+($buildNumber.Revision+1).ToString()));
        $templateFileContent = ($templateFileContent -replace $match.Value, ('EndVersion="'+$newTemplateVersion.ToString()+'"'))
    }
    $templateFileContent | Out-File -FilePath $featureTemplateFile.FullName -Verbose -Encoding utf8;
}