Adding ref folder & Gabs Vim rc & cscope config.

The ref folder is meant to keep reference configurations from other
peers 'as is'. First addition is Gabs vimrc configuration and vim cscope
configuration.
Change how urxvt-color.sh change colors.

Set option (and set it as default) to use color tones from the active
color scheme from terminal, using colors from the index 8 colors palette.
Adding term-palette.sh to show terminal colors.

term-palette.sh print the 8-colors palette of the terminal in a
beautiful color palette with ascii-art and stuff to sample its palette.
In fact it print 16 colors, the "bright" (index 8 to 15) and "dark"
(index 0 to 7) tones of the colors.
Adding support for ASCII in term-palette.sh.

term-palette.sh now has some more options for fancy decoration of the
palette frame, including pure ASCII and none (aka, no frame). But the
default is still the utf8 and it is dummy and do not check for output
terminal capability to handle utf8 chars.