Merge branch 'master', remote-tracking branch 'upstream/master'
New Code issue Redundant Check Before Assignment

Expression.ToString check may be unrobust?
Merge branch 'master', remote-tracking branch 'upstream/master'
Fixed some possible null references.
Improved some code actions.
Added new case to 'ProhibitedModifiersIssue'.
ExceptionParameterCantBeResolvedIssue provides now another resolution.
Fixed formatting bug.
Merge branch 'RedundantCheckBeforeAssignment' of github.com:leoowen19/NRefactory into leoowen19-RedundantCheckBeforeAssignment

Conflicts:
	ICSharpCode.NRefactory.CSharp/ICSharpCode.NRefactory.CSharp.csproj
	ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj
Merge branch 'master', remote-tracking branch 'upstream/master'
Add ObjectCreation
Enhanced
Merge pull request #300 from leoowen19/ArgumentName2

Redundant Argument Name Fixed
Moved RedundantCheckBeforeAssignmentIssue to the Refactoring assembly.
Added ConvertToLambdaExpressionIssue.
Replaced 'RedundantArgumentNameIssue' with a working version.
NullValueAnalysis: Added support for using statements.
Added code action severity levels (useful for actions handling code
errors).
Fixed bug in 'AdditionalOfTypeIssues'.
Merge pull request #301 from mono-soc-2013/luiscubal-null-analysis-using

NullValueAnalysis: Added support for using statements.