added travis yaml file.
Fixed warnings in Bson library.
fixed warning in Bson.Tests
fixed warnings in Driver
travis file fix
turning off warnings as errors in order to get all of them in the build report.
fixed Driver warnings.
fixed warnings in Driver.Tests.
not building or tests VB in mono.
fixed a few more warnings.
fixing mongodb on mac-osx travis.
fixing failing tests.
added appyevor configuration file.
updated appveryor file to run tests manually.