add syntax highlighting

Change-Id: I482cdae35318b8f27cce5d3de1bb2c70b1f69689
Signed-off-by: Doug Hellmann <doug.hellmann@gmail.com>
use syntax highlighting on runs view

Change-Id: Ib55677309242c8527b4bbb5b7f55175dba0a5e59
Signed-off-by: Doug Hellmann <doug.hellmann@gmail.com>
apply syntax highlighting to locals and return values

Change-Id: Iceccf45828a5c87dae16fa13edcda1cac32f25bd
Signed-off-by: Doug Hellmann <doug.hellmann@gmail.com>