Fixed broken call to GetXmlPath in ShortXmlFileNameMappingTests.cs.
Fixed broken VSIX building for srcML service.
Removed CodeContracts from SrcML Service.
Modified SrcML Service to more closely resemble Sando's project config.
Fixed ShortXmlFileNameMapping to support case insensitivity properly.
Merge branch 'master' of https://github.com/abb-iss/SrcML.NET
Fixed AbstractFileMonitor so it handles file extensions case insensitively.
Merge branch 'topic-incrementalupdate' of github.com:abb-iss/SrcML.NET into topic-incrementalupdate

Conflicts:
	ABB.SrcML.Test/ShortXmlFileNameMappingTests.cs
	VisualStudio/ABB.SrcML.VisualStudio.SrcMLService/ABB.SrcML.VisualStudio.SrcMLService.csproj
Merge branch 'topic-incrementalupdate' of github.com:abb-iss/SrcML.NET into topic-incrementalupdate
Fixed incorrect return value from Archive.IsOutdated(). Reworded boolean expression to be more readable.