Changes to HostArm and HostArmQemu for Qt5

Open-webOS-DCO-1.0-Signed-off-by: Eric Blade <eric.blade@palm.com>

Change-Id: I8ddbb2c3b66fb9b11e530889e74fdbdc2a728fdc
Correct -lserviceinstall => -lserviceinstaller

Open-webOS-DCO-1.0-Signed-off-by: Eric Blade <eric.blade@palm.com>

Change-Id: I010c5b7424bd38fbe57654563c4dddae17d513ca
include <cjson/json.h> in HostArm.cpp

Open-webOS-DCO-1.0-Signed-off-by: Eric Blade <eric.blade@palm.com>

Change-Id: I7abb4ed8db969b94c3cb4b4e58f242f9e3ac9446
Add support for 'tuna' build target

Open-webOS-DCO-1.0-Signed-off-by: Roger Stringer <roger.stringer@palm.com>

Change-Id: I1e2d9eeb26f073d6d3f8083ddc884866e2f7085e