Added hint-path to local libraries for srcml service integration tests.
Modified integration test to use a new VSSDK property introduced in an msbuild choose block.
Modified other VS references for integration tests to go to external directory
Merge branch 'topic-incrementalupdate'
Merge remote-tracking branch 'remotes/origin/topic-incrementalupdate'
Merge branch 'master' into stable
Some concurrent test in the RealworldTest
Added the progress bar feature for startup, main changes are in SrcMLGlobalService.
Also cleaned up some useless code.
Merge branch 'topic-incrementalupdate' of https://github.com/abb-iss/SrcML.NET into topic-incrementalupdate
Merge branch 'topic-incrementalupdate'
Removed duplicate SrcML libraries in External folder, and updated to use latest version.
Merge branch 'master' into topic-data-incrementalupdate
Added new installer project for the Program Transformation Add-In based on WiX
Removed "Deploy VSIX" from SrcMLService
Added version info based on ABB.SrcML.dll.
Added concurrent versions of data parsing and merging.
Merge branch 'topic-data-incrementalupdate' of https://github.com/abb-iss/SrcML.NET into topic-data-incrementalupdate
Merge branch 'master' into topic-data-incrementalupdate

Conflicts:
	SrcML.NET.sln
Removed vestigial Data Demo test project.
Initial implementation of DataArchive save/restore