MongoDB Legacy C++ Driver 1.0.0-rc0

Bug

• [CXX-279] - scoped_db_conn_test fails to build with VC 10
• [CXX-280] - Version number parsing breaks with -rc0-pre

New Feature

• [CXX-267] - Include regex elements in BSONArrayBuilder
• [CXX-282] - Add missing appendX methods to BSONArrayBuilder