Add: Parallax tests and feasability.

src/parallax-css-testpage/01_FG_Pixels/01_FG_Pixels.gif

src/parallax-css-testpage/03_Vignette/RC3_vignette.png

src/parallax-css-testpage/06_BG_Pixels/06_BG_Pixels.gif

src/parallax-css-testpage/07_Grid/07_Grid.png

src/parallax-css-testpage/08_VCR_Overlay/08_VCR_Overlay.png

...css-testpage/09_Gradients/09_Gradient_01_CCC_Platform.jpg

...css-testpage/09_Gradients/09_Gradient_02_CCC_Platform.jpg

...arallax-css-testpage/09_Gradients/09_Gradient_03_Info.jpg

...arallax-css-testpage/09_Gradients/09_Gradient_04_Info.jpg

...stpage/09_Gradients/09_Gradient_05_Community_Platform.jpg

...stpage/09_Gradients/09_Gradient_06_Community_Platform.jpg

...lax-css-testpage/09_Gradients/09_Gradient_07_2D_World.jpg

...lax-css-testpage/09_Gradients/09_Gradient_08_2D_World.jpg

...x-css-testpage/10_Background/10_Background_desktop_01.jpg

...x-css-testpage/10_Background/10_Background_desktop_02.jpg

...x-css-testpage/10_Background/10_Background_desktop_03.jpg

...ax-css-testpage/10_Background/10_Background_mobile_01.jpg

...ax-css-testpage/10_Background/10_Background_mobile_02.jpg

...ax-css-testpage/10_Background/10_Background_mobile_03.jpg

src/parallax-css-testpage/Makefile