Update Configuration parameters for 2014 build

- Defined user_local.props which references DynmoCore specific binaries
from Dynamo repo output directory.
- Based on this property sheet, the output for DynamoRevit projects are
directed to DynamoCore projects.
- It is expected that users will update it as per their needs.
Merge pull request #17 from Conceptual-Design/Revit2014

Update Configuration parameters for 2014 build
Updated comments #MAGN-5382 State {Under Review}
Merged Revit2014 to the lastest
Update test projects
Merge branch 'Revit2014' of https://github.com/DynamoDS/DynamoRevit into Revit2014
update RevitSystem Tests.csproj
Merge pull request #19 from theanh0512/mergeRevit2014ToTheNewest

Merged Revit2014 to the lastest
Merge branch 'Revit2014' of https://github.com/DynamoDS/DynamoRevit into Revit2014
Merge with DynamoDS\Dynamo master branch

- Get Revit2014 specific changes from Dynamo master branch to this Repo.
Merge Dynamo/DynamoRevit2014 changes to Revit2014
Merge pull request #22 from Conceptual-Design/Revit2014

Merge Dynamo/DynamoRevit2014 changes to Revit2014
Sync with Dynamo\master
Merge DynamoRevit2014 to Revit2014
Merge pull request #24 from Conceptual-Design/Revit2014

Merge DynamoRevit2014 to Revit2014
Merge Dynamo\DynamoRevit2014 to DynamoRevit\Revit2014
Merge with Dynamo\DynamoRevit2014
Merge pull request #25 from Conceptual-Design/Revit2014

merge Dynamo\DynamoRevit2014 to DynamoRevit\Revit2014
Fix Revit Test failures due to test data restructuring

- Now Revit test data is under test\System\ folder
- Updated all test initialization calls to consider this path for revit
test data.
Fix Revit Test failures due to test data restructuring

- Now Revit test data is under test\System\ folder
- Updated all test initialization calls to consider this path for revit
test data.