Change bg and fg to grayscale version of Solarized

Use a custom toned down grayscale friendly version of the Solarized color
palette for background and foreground colors.

Signed-off-by: Austin M. Matherne <AustinMatherne@Gmail.com>
Bring back Source Code Pro and DejaVu fonts

Signed-off-by: Austin M. Matherne <AustinMatherne@Gmail.com>
Use Solarized color palette

Signed-off-by: Austin M. Matherne <AustinMatherne@Gmail.com>