Added a method that handles serialization requests
Support splitting save over multiple requests to reduce overall message size
Added unit tests
String changes used a new version of the string tool for generation.
Will publish PR separately for the changes to build & localization
so this can run on Mac without .Net Core 1.0
* Initial changes to have serialization generate its own .exe
* Removed additional project from sln file
* remove all references to removed temporary project
* Moved shared contracts into own dll and fixed imports. Addressed PR comments
* Undid having a separate contracts project since that'll be a task for later on. Moved dbcellvalue and saveresultsrequest to Hosting, where they will be imported and shared by the service layer and serialization projects
* Switched backslashes in project reference in csproj file to forward slashes for consistency
* Moved necessary contracts back to service layer. Refactored CommandOptions to reduce code duplication. Addressed miscellaneous PR suggestions
* Accidentally left these files out of previous commit
* Initialized loggers for serialization and credentials with the logging directory provided by the cmd line arg, if there is one
* Changed default log directory paths for serialization and credentials. Removed unnecessary cast and added a copyright
* Changed name of generated executable for serialization service
* removed unnecessary object cast
* removing unnecessary imports and addressing other PR comments
