This turns catch Throwable into catch Exception, as doing the former
catches Errors, which are documented to be pretty much irrecoverable
conditions. Looking at
http://docs.oracle.com/javase/7/docs/api/java/lang/Error.html non of
these call sites can recover from an Error happening, so they should
never catch them.
Change-Id: I85237594f307a5a8778fb5a63f9dad4d120fc9d7
Signed-off-by: Robert Varga <rovarga@cisco.com>