Fix asset path of arial GPB for Android in sample04.
Merge pull request #778 from kwhatmough/master

Fix asset path for Android too.
Merge pull request #780 from mozeal/master

libpng 1.4.8
Adds support for GLES2 fallback mode for split depth and stencil attachments at D24_S8 and lower quality D16_S8 for TEGRA 3
Merge pull request #784 from seanpaultaylor/master

Fixes #774
Merge branch 'master' into jimmy