Added 24 seamless tree bark textures

24 seamless tileable tree bark textures have been added.

mossy-tree-bark_0019_0 texture
mossy-tree-bark_0020_0 texture
mossy-tree-bark_0022_0 texture
mossy-tree-bark_0023_0 texture
mossy-tree-bark_0024_0 texture
mossy-tree-bark_0025_0 texture
mossy-tree-bark_0026_0 texture
mossy-tree-bark_0027_0 texture
rough-tree-bark_0047_0 texture
rough-tree-bark_0049_0 texture
rough-tree-bark_0053_0 texture
rough-tree-bark_0054_0 texture
rough-tree-bark_0055_0 texture
rough-tree-bark_0056_0 texture
rough-tree-bark_0057_0 texture
rough-tree-bark_0057_0 texture
smooth-tree-bark_0028_0 texture
smooth-tree-bark_0029_0 texture
smooth-tree-bark_0030_0 texture
smooth-tree-bark_0031_0 texture
smooth-tree-bark_0033_0 texture
smooth-tree-bark_0034_0 texture
smooth-tree-bark_0035_0 texture
smooth-tree-bark_0037_0 texture
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