merge with 3.4.19 (android hasn't moved)

last 3.4.12

forward jump from 3.0.42 to 3.0.52 (+latest android-3.0)

last 3.0.42

This is the 3.4.19 stable release

This is the 3.0.52 stable release

3.4.12 after disp cleanup and r3p0

3.0.42 after disp cleanup and mali r3p0

still 3.4.12, just before merging mali r3p0 and major disp cleanup

still 3.0.42 but before merging a risky stage 3.0

next will include mali r3p0 and major sunxi-disp cleanup