Added string.IsEmpty and string.IsNotEmpty
Merge remote-tracking branch 'upstream/master'
Added an empty line in FluentMessages to improve readability
Added HasContent
Merge remote-tracking branch 'upstream/master'

Conflicts:
	NFluent.Tests/IntRelatedTests.cs
	NFluent.Tests/T4/ByteRelatedTests.cs
	NFluent.Tests/T4/DecimalRelatedTests.cs
	NFluent.Tests/T4/DoubleRelatedTests.cs
	NFluent.Tests/T4/FloatRelatedTests.cs
	NFluent.Tests/T4/LongRelatedTests.cs
	NFluent.Tests/T4/ShortRelatedTests.cs
	NFluent.Tests/T4/UintRelatedTests.cs
	NFluent.Tests/T4/UlongRelatedTests.cs
	NFluent.Tests/T4/UshortRelatedTests.cs
	NFluent/Helpers/FluentMessage.cs
Post Merge fixes
Added string.IsEqualIgnoringCase

Added string.DoesNotContain
Improved coverage of corner cases
Merge remote-tracking branch 'upstream/master'

Conflicts:
	NFluent.Tests/IsInstanceOfTests.cs
Added object.IsSameReferenceTHan

added basic test for MSTest integration
StyleCop Fixes
Added string.Contains.Once and string.Contains.InThatOrder
updates T4 outputs