Fix a corner case where the copied output gatherer missed some copied outputs.
Before translating build outputs, do a pass over them to identify their dependencies to avoid translating DLLs that will later get translated by an EXE.
Site updates
JSIL will now find Foo.exe.jsilconfig/Foo.dll.jsilconfig files in parent directories in addition to the directory containing the file. This lets you shove the config file in, say, the project directory instead of the build directory.