Provider slightly less-noisy stack traces

Strip the extension folder our of stack traces, since it doesn't mean
much to the user, and is often very long (and VS randomly UPPERCASES THE
WHOLE THING)
Don't crash if the external process doesn't provide paths

(eg. Node; see Issue #3)
Don't crash if the external process doesn't provide paths

(eg. Node; see Issue #3)
Clone Lua project, renaming everything to Jasmine

Also change path from lua52.exe to node.exe, and test framework etc.
Bump version numbers to 1.3

Why can't I have these in one place?! :-(