Added logos, trademark graphics to repository.

diff --git a/graphics/PGbr_f.svgz b/graphics/logos/PGbr_f.svgz
similarity index 100%
rename from graphics/PGbr_f.svgz
rename to graphics/logos/PGbr_f.svgz

diff --git a/graphics/elephant-32.png b/graphics/logos/elephant-32.png
similarity index 100%
rename from graphics/elephant-32.png
rename to graphics/logos/elephant-32.png

diff --git a/graphics/elephant-64.png b/graphics/logos/elephant-64.png
similarity index 100%
rename from graphics/elephant-64.png
rename to graphics/logos/elephant-64.png

diff --git a/graphics/elephant.ai b/graphics/logos/elephant.ai
similarity index 100%
rename from graphics/elephant.ai
rename to graphics/logos/elephant.ai

diff --git a/graphics/elephant.pdf b/graphics/logos/elephant.pdf
similarity index 100%
rename from graphics/elephant.pdf
rename to graphics/logos/elephant.pdf

diff --git a/graphics/elephant.png b/graphics/logos/elephant.png
similarity index 100%
rename from graphics/elephant.png
rename to graphics/logos/elephant.png

diff --git a/graphics/elephant.svgz b/graphics/logos/elephant.svgz
similarity index 100%
rename from graphics/elephant.svgz
rename to graphics/logos/elephant.svgz

diff --git a/graphics/elephant.tif b/graphics/logos/elephant.tif
similarity index 100%
rename from graphics/elephant.tif
rename to graphics/logos/elephant.tif

diff --git a/graphics/logo.ai b/graphics/logos/logo.ai
similarity index 100%
rename from graphics/logo.ai
rename to graphics/logos/logo.ai

diff --git a/graphics/logo.pdf b/graphics/logos/logo.pdf
similarity index 100%
rename from graphics/logo.pdf
rename to graphics/logos/logo.pdf

diff --git a/graphics/logo.tif b/graphics/logos/logo.tif
similarity index 100%
rename from graphics/logo.tif
rename to graphics/logos/logo.tif

diff --git a/graphics/logo_w_elephant.ai b/graphics/logos/logo_w_elephant.ai
similarity index 100%
rename from graphics/logo_w_elephant.ai
rename to graphics/logos/logo_w_elephant.ai

diff --git a/graphics/logo_w_elephant.pdf b/graphics/logos/logo_w_elephant.pdf
similarity index 100%
rename from graphics/logo_w_elephant.pdf
rename to graphics/logos/logo_w_elephant.pdf

diff --git a/graphics/logo_w_elephant.tif b/graphics/logos/logo_w_elephant.tif
similarity index 100%
rename from graphics/logo_w_elephant.tif
rename to graphics/logos/logo_w_elephant.tif

diff --git a/graphics/mini.gif b/graphics/logos/mini.gif
similarity index 100%
rename from graphics/mini.gif
rename to graphics/logos/mini.gif

diff --git a/graphics/slonik_with_black_text.pdf b/graphics/logos/slonik_with_black_text.pdf
similarity index 100%
rename from graphics/slonik_with_black_text.pdf
rename to graphics/logos/slonik_with_black_text.pdf

diff --git a/graphics/slonik_with_teal_text.pdf b/graphics/logos/slonik_with_teal_text.pdf
similarity index 100%
rename from graphics/slonik_with_teal_text.pdf
rename to graphics/logos/slonik_with_teal_text.pdf

diff --git a/graphics/slonik_with_teal_text_and_black_tagline.pdf b/graphics/logos/slonik_with_teal_text_and_black_tagline.pdf
similarity index 100%
rename from graphics/slonik_with_teal_text_and_black_tagline.pdf
rename to graphics/logos/slonik_with_teal_text_and_black_tagline.pdf