Fixing issue with Signature file generation

If the certificate for the current user is not installed in LocalMachine
store location, check it in CurrentUser store location.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo
Revert "Fixing issue with Signature file generation"

This reverts commit f597fc53c1b93da39dea6aebf4c9051152e52b1f.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo
Fixed Test Case 3166 by updating xml.

Some how there was one extra port was getting added to List.Join node which was causing test failure. Not sure how come this was passing earlier.
Bump the version number on Master to 0.7.4

Daily builds are going to run ahead of release build because it has more
than what's there in release branch. Hence RC branch will have version
0.7.3 whereas daily builds will have version 0.7.4
Merge pull request #2900 from riteshchandawar/FixFor3166

Fixed Test Case 3166 by updating xml.
Merge pull request #2902 from Conceptual-Design/master

version number changed to 0.7.4
Merge pull request #2903 from DynamoDS/master

Merge #2902 to Bump the version number to 0.7.4 in Revit2015