Added Thumbs.db to gitignore
Nested builds that fail should fail the parent
Fix nested build failure not reported to tester
Failing tests to check the whatif preference is not handled correctly
Ignore the whatif preference for psake internals
fixed ability to set moduleScope to "global"
-Moved docs implementation to after Include processing; fixes https://github.com/psake/psake/issues/41

-Editor automatically removed trailing whitespace (and might have done some tabs --> spaces)
Modify psake to support optionally retrying tasks a configurable number of times on failure so transient errors can be handled gracefully.

Usage:

task MyTask -maxRetries 3 { ... }
Modify psake to support optionally specifying a regular expression that can be used in combination with the maxRetries parameter to enable retry logic for only specific cases.

Usage:

task MyTask -maxRetries 3 -retryTriggerErrorPattern "Can't connect to database at this time"

This configuration will cause psake to retry MyTask only if an exception occurs where the exception message contains the phrase "Can't connect to database at this time".
Fix Turkish format problem in psake/psake#70

The commands "properties" and "include" are also susceptible to problems but I didn't want to touch them without a clear repro of them.
Adding support for .NET 4.5.1 and the MSBuild tools
Merge pull request #77 from colinbowern/master

Adding support for .NET 4.5.1 and the MSBuild tools per issue #76
Update
Merge pull request #59 from jsnape/master

Ignore the $WhatIfPreference and $ConfirmPreference variables
Merge pull request #64 from aleksandrov/master

Fix for setting $config.moduleScope to "global"
Merge branch 'master' of https://github.com/bladeoflight16/psake into bladeoflight16-master

Conflicts:
	psake.psm1
Merge branch 'master' of github.com:psake/psake
Merge branch 'master' of https://github.com/rakutensf-malex/psake into rakutensf-malex-master

Conflicts:
	psake.psm1
Update help.xml with additional .net framework versions.
Merge pull request #71 from ssg/master

Fix Turkish format problem in psake/psake#70