Updating AppContext#getProto to accept a single proto id as a string instead of an array

Signed-off-by: Phil Mander <philip.mander@gmail.com>
Tidying up errors raised by Closure Compiler

Signed-off-by: Phil Mander <philip.mander@gmail.com>
Latest snapshot build for 0.2.0

Signed-off-by: Phil Mander <philip.mander@gmail.com>