Fix CursorColumn, ColorColumn & LineNr term color

Set background color for CursorColumn, ColorColumn & LineNr to a
different color than the default background color in terminal mode.
make error messages easier to read
Change Pmenusel foreground color in console version to improve readability (issue #14)
Adding tabs colors
Merge pull request #20 from wwju/master

Adding tabs colors
Merge pull request #19 from raichoo/error

make error messages easier to read
Merge pull request #17 from fcharlier/fix_cursorcolumn_color

Fix CursorColumn, ColorColumn & LineNr term color
Fix terminal MatchParen colors, submitted by thedeeno
add universal colors for terminal diffs
Fix colors on terminal

- fix backgroud color on tmux