Log4Net exceptions.

[charleslbryant]

This warning and exceptions happen on some tests when running in parallel.

log4net:WARN FileAppender: File option not set for appender [].
log4net:WARN FileAppender: Are you using FileAppender instead of ConsoleAppender
?

at log4net.Appender.RollingFileAppender.ActivateOptions()
at TestPipe.Common.Logger.Configure(String logPath)
at TestPipe.Common.Logger..ctor()
at TestPipe.Runner.RunnerHelper.SetBrowser(String browserName)
at TestPipe.Runner.RunnerHelper.GetBrowser(String[] tags)
at TestPipe.Runner.RunnerBase.SetupScenario(String title, String featureTitle
, String[] tags)
at TestPipe.SpecFlow.Runner.SetupScenario(String[] tags, String featureTitle,
String scenarioTitle)
at SunGard.PNE.Test.CustomerSite.Specs.Steps.StepHelper.SetupScenario(String[
] tags, String fTitle, String sTitle) in c:_Automation\test\source\application
SunGard.PNE.Test.CustomerSite.Specs\Steps\StepHelper.cs:line 76
at SunGard.PNE.Test.CustomerSite.Specs.Steps.Customer.CustomerSiteAddEditVend
orSteps.SetupScenario(String[] tags, String fTitle, String sTitle) in c:_Automa
tion\test\source\application\SunGard.PNE.Test.CustomerSite.Specs\Steps\Customer
AddEditVendorSteps.cs:line 31

Message: Object reference not set to an instance of an object.

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