Tests now use frak-latest.min.js

--HG--
rename : tests/1_triangles_render_test.html => tests/01_triangles_render_test.html
rename : tests/2_quads_render_test.html => tests/02_quads_render_test.html
rename : tests/3_cube_render_test.html => tests/03_cube_render_test.html
rename : tests/4_shader_uniform_test.html => tests/04_shader_uniform_test.html
rename : tests/5_shader_texture_test.html => tests/05_shader_texture_test.html
rename : tests/5a_shader_texture_caching_test.html => tests/05a_shader_texture_caching_test.html
rename : tests/6_shader_multitexture_test.html => tests/06_shader_multitexture_test.html
rename : tests/7_mesh_render_test.html => tests/07_mesh_render_test.html
rename : tests/8_shader_loading_test.html => tests/08_shader_loading_test.html
rename : tests/9_mesh_loading_test.html => tests/09_mesh_loading_test.html
rename : tests/9a_mesh_loading_test.html => tests/09a_mesh_loading_test.html
The calling camera instance is now passed to RenderStage.onStart
PerpectiveCamera now exposes zNear and zFar shader uniforms